Home / 42,279.04-63,418.51-17,319.13

Finding the Fourth Proportional to 42,279.04, 63,418.51 and 17,319.13

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Solution

The fourth proportional to 42,279.04, 63,418.51 and 17,319.13 is: 25,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,279.04 : 63,418.51 = 17,319.13 : x
  2. Step 2: Convert to fraction form
    42,279.04/63,418.51 = 17,319.13/x
  3. Step 3: Cross multiply
    42,279.04x = 63,418.51 × 17,319.13
  4. Step 4: Simplify right side
    42,279.04x = 1,098,353,419.10
  5. Step 5: Solve for x
    x = 1,098,353,419.10/42,279.04
  6. Step 6: Final answer
    x = 25,978.68

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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.