Home / 42,520.92-63,768.42-11,352.12

Finding the Fourth Proportional to 42,520.92, 63,768.42 and 11,352.12

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Solution

The fourth proportional to 42,520.92, 63,768.42 and 11,352.12 is: 17,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,520.92 : 63,768.42 = 11,352.12 : x
  2. Step 2: Convert to fraction form
    42,520.92/63,768.42 = 11,352.12/x
  3. Step 3: Cross multiply
    42,520.92x = 63,768.42 × 11,352.12
  4. Step 4: Simplify right side
    42,520.92x = 723,906,756.05
  5. Step 5: Solve for x
    x = 723,906,756.05/42,520.92
  6. Step 6: Final answer
    x = 17,024.72

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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.