Home / 38,732.38-53,447.55-21,734.26

Finding the Fourth Proportional to 38,732.38, 53,447.55 and 21,734.26

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Solution

The fourth proportional to 38,732.38, 53,447.55 and 21,734.26 is: 29,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,732.38 : 53,447.55 = 21,734.26 : x
  2. Step 2: Convert to fraction form
    38,732.38/53,447.55 = 21,734.26/x
  3. Step 3: Cross multiply
    38,732.38x = 53,447.55 × 21,734.26
  4. Step 4: Simplify right side
    38,732.38x = 1,161,642,732.94
  5. Step 5: Solve for x
    x = 1,161,642,732.94/38,732.38
  6. Step 6: Final answer
    x = 29,991.52

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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.