Home / 38,938.26-53,671.68-30,425.52

Finding the Fourth Proportional to 38,938.26, 53,671.68 and 30,425.52

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Solution

The fourth proportional to 38,938.26, 53,671.68 and 30,425.52 is: 41,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938.26 : 53,671.68 = 30,425.52 : x
  2. Step 2: Convert to fraction form
    38,938.26/53,671.68 = 30,425.52/x
  3. Step 3: Cross multiply
    38,938.26x = 53,671.68 × 30,425.52
  4. Step 4: Simplify right side
    38,938.26x = 1,632,988,773.27
  5. Step 5: Solve for x
    x = 1,632,988,773.27/38,938.26
  6. Step 6: Final answer
    x = 41,937.90

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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.