Home / 42,503.78-63,753.24-16,211.18

Finding the Fourth Proportional to 42,503.78, 63,753.24 and 16,211.18

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Solution

The fourth proportional to 42,503.78, 63,753.24 and 16,211.18 is: 24,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,503.78 : 63,753.24 = 16,211.18 : x
  2. Step 2: Convert to fraction form
    42,503.78/63,753.24 = 16,211.18/x
  3. Step 3: Cross multiply
    42,503.78x = 63,753.24 × 16,211.18
  4. Step 4: Simplify right side
    42,503.78x = 1,033,515,249.22
  5. Step 5: Solve for x
    x = 1,033,515,249.22/42,503.78
  6. Step 6: Final answer
    x = 24,315.84

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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.