Home / 42,086.64-63,122.48-14,003.92

Finding the Fourth Proportional to 42,086.64, 63,122.48 and 14,003.92

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Solution

The fourth proportional to 42,086.64, 63,122.48 and 14,003.92 is: 21,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,086.64 : 63,122.48 = 14,003.92 : x
  2. Step 2: Convert to fraction form
    42,086.64/63,122.48 = 14,003.92/x
  3. Step 3: Cross multiply
    42,086.64x = 63,122.48 × 14,003.92
  4. Step 4: Simplify right side
    42,086.64x = 883,962,160.12
  5. Step 5: Solve for x
    x = 883,962,160.12/42,086.64
  6. Step 6: Final answer
    x = 21,003.39

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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.