Home / 38,036.72-52,490.76-21,042.20

Finding the Fourth Proportional to 38,036.72, 52,490.76 and 21,042.20

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Solution

The fourth proportional to 38,036.72, 52,490.76 and 21,042.20 is: 29,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,036.72 : 52,490.76 = 21,042.20 : x
  2. Step 2: Convert to fraction form
    38,036.72/52,490.76 = 21,042.20/x
  3. Step 3: Cross multiply
    38,036.72x = 52,490.76 × 21,042.20
  4. Step 4: Simplify right side
    38,036.72x = 1,104,521,070.07
  5. Step 5: Solve for x
    x = 1,104,521,070.07/38,036.72
  6. Step 6: Final answer
    x = 29,038.28

Related Problems

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Half scale
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Double scale
Find fourth proportional to 38,037.72, 52,492.14 and 21,043.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.