Home / 42,458.88-63,688.43-11,294.13

Finding the Fourth Proportional to 42,458.88, 63,688.43 and 11,294.13

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Solution

The fourth proportional to 42,458.88, 63,688.43 and 11,294.13 is: 16,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,458.88 : 63,688.43 = 11,294.13 : x
  2. Step 2: Convert to fraction form
    42,458.88/63,688.43 = 11,294.13/x
  3. Step 3: Cross multiply
    42,458.88x = 63,688.43 × 11,294.13
  4. Step 4: Simplify right side
    42,458.88x = 719,305,407.92
  5. Step 5: Solve for x
    x = 719,305,407.92/42,458.88
  6. Step 6: Final answer
    x = 16,941.22

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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.