Home / 42,402.56-63,607.44-11,237.44

Finding the Fourth Proportional to 42,402.56, 63,607.44 and 11,237.44

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Solution

The fourth proportional to 42,402.56, 63,607.44 and 11,237.44 is: 16,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,402.56 : 63,607.44 = 11,237.44 : x
  2. Step 2: Convert to fraction form
    42,402.56/63,607.44 = 11,237.44/x
  3. Step 3: Cross multiply
    42,402.56x = 63,607.44 × 11,237.44
  4. Step 4: Simplify right side
    42,402.56x = 714,784,790.55
  5. Step 5: Solve for x
    x = 714,784,790.55/42,402.56
  6. Step 6: Final answer
    x = 16,857.11

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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.