Home / 42,314.76-63,469.62-18,934.92

Finding the Fourth Proportional to 42,314.76, 63,469.62 and 18,934.92

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Solution

The fourth proportional to 42,314.76, 63,469.62 and 18,934.92 is: 28,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,314.76 : 63,469.62 = 18,934.92 : x
  2. Step 2: Convert to fraction form
    42,314.76/63,469.62 = 18,934.92/x
  3. Step 3: Cross multiply
    42,314.76x = 63,469.62 × 18,934.92
  4. Step 4: Simplify right side
    42,314.76x = 1,201,792,177.13
  5. Step 5: Solve for x
    x = 1,201,792,177.13/42,314.76
  6. Step 6: Final answer
    x = 28,401.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.