Home / 42,073.20-63,110.16-19,887.12

Finding the Fourth Proportional to 42,073.20, 63,110.16 and 19,887.12

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Solution

The fourth proportional to 42,073.20, 63,110.16 and 19,887.12 is: 29,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,073.20 : 63,110.16 = 19,887.12 : x
  2. Step 2: Convert to fraction form
    42,073.20/63,110.16 = 19,887.12/x
  3. Step 3: Cross multiply
    42,073.20x = 63,110.16 × 19,887.12
  4. Step 4: Simplify right side
    42,073.20x = 1,255,079,325.14
  5. Step 5: Solve for x
    x = 1,255,079,325.14/42,073.20
  6. Step 6: Final answer
    x = 29,830.85

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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.