Home / 38,000.64-52,440.80-21,233.64

Finding the Fourth Proportional to 38,000.64, 52,440.80 and 21,233.64

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Solution

The fourth proportional to 38,000.64, 52,440.80 and 21,233.64 is: 29,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,000.64 : 52,440.80 = 21,233.64 : x
  2. Step 2: Convert to fraction form
    38,000.64/52,440.80 = 21,233.64/x
  3. Step 3: Cross multiply
    38,000.64x = 52,440.80 × 21,233.64
  4. Step 4: Simplify right side
    38,000.64x = 1,113,509,068.51
  5. Step 5: Solve for x
    x = 1,113,509,068.51/38,000.64
  6. Step 6: Final answer
    x = 29,302.38

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Half scale
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Double scale
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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.