Home / 42,471.18-63,701.87-11,308.86

Finding the Fourth Proportional to 42,471.18, 63,701.87 and 11,308.86

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Solution

The fourth proportional to 42,471.18, 63,701.87 and 11,308.86 is: 16,961.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,471.18 : 63,701.87 = 11,308.86 : x
  2. Step 2: Convert to fraction form
    42,471.18/63,701.87 = 11,308.86/x
  3. Step 3: Cross multiply
    42,471.18x = 63,701.87 × 11,308.86
  4. Step 4: Simplify right side
    42,471.18x = 720,395,473.02
  5. Step 5: Solve for x
    x = 720,395,473.02/42,471.18
  6. Step 6: Final answer
    x = 16,961.98

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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.