Home / 38,098.50-52,574.31-21,102.68

Finding the Fourth Proportional to 38,098.50, 52,574.31 and 21,102.68

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Solution

The fourth proportional to 38,098.50, 52,574.31 and 21,102.68 is: 29,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,098.50 : 52,574.31 = 21,102.68 : x
  2. Step 2: Convert to fraction form
    38,098.50/52,574.31 = 21,102.68/x
  3. Step 3: Cross multiply
    38,098.50x = 52,574.31 × 21,102.68
  4. Step 4: Simplify right side
    38,098.50x = 1,109,458,577.28
  5. Step 5: Solve for x
    x = 1,109,458,577.28/38,098.50
  6. Step 6: Final answer
    x = 29,120.79

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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.