Home / 42,617.96-63,934.11-13,028.87

Finding the Fourth Proportional to 42,617.96, 63,934.11 and 13,028.87

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Solution

The fourth proportional to 42,617.96, 63,934.11 and 13,028.87 is: 19,545.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,617.96 : 63,934.11 = 13,028.87 : x
  2. Step 2: Convert to fraction form
    42,617.96/63,934.11 = 13,028.87/x
  3. Step 3: Cross multiply
    42,617.96x = 63,934.11 × 13,028.87
  4. Step 4: Simplify right side
    42,617.96x = 832,989,207.76
  5. Step 5: Solve for x
    x = 832,989,207.76/42,617.96
  6. Step 6: Final answer
    x = 19,545.50

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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.