Home / 30,845.38-42,565.85-17,233.53

Finding the Fourth Proportional to 30,845.38, 42,565.85 and 17,233.53

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Solution

The fourth proportional to 30,845.38, 42,565.85 and 17,233.53 is: 23,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.38 : 42,565.85 = 17,233.53 : x
  2. Step 2: Convert to fraction form
    30,845.38/42,565.85 = 17,233.53/x
  3. Step 3: Cross multiply
    30,845.38x = 42,565.85 × 17,233.53
  4. Step 4: Simplify right side
    30,845.38x = 733,559,802.89
  5. Step 5: Solve for x
    x = 733,559,802.89/30,845.38
  6. Step 6: Final answer
    x = 23,781.83

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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.