Home / 42,446.72-63,669.36-14,744

Finding the Fourth Proportional to 42,446.72, 63,669.36 and 14,744

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Solution

The fourth proportional to 42,446.72, 63,669.36 and 14,744 is: 22,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,446.72 : 63,669.36 = 14,744 : x
  2. Step 2: Convert to fraction form
    42,446.72/63,669.36 = 14,744/x
  3. Step 3: Cross multiply
    42,446.72x = 63,669.36 × 14,744
  4. Step 4: Simplify right side
    42,446.72x = 938,741,043.84
  5. Step 5: Solve for x
    x = 938,741,043.84/42,446.72
  6. Step 6: Final answer
    x = 22,115.75

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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.