Home / 42,455.36-63,666.54-14,367.92

Finding the Fourth Proportional to 42,455.36, 63,666.54 and 14,367.92

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Solution

The fourth proportional to 42,455.36, 63,666.54 and 14,367.92 is: 21,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,455.36 : 63,666.54 = 14,367.92 : x
  2. Step 2: Convert to fraction form
    42,455.36/63,666.54 = 14,367.92/x
  3. Step 3: Cross multiply
    42,455.36x = 63,666.54 × 14,367.92
  4. Step 4: Simplify right side
    42,455.36x = 914,755,753.40
  5. Step 5: Solve for x
    x = 914,755,753.40/42,455.36
  6. Step 6: Final answer
    x = 21,546.30

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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.