Home / 42,534.97-63,805.39-14,443.56

Finding the Fourth Proportional to 42,534.97, 63,805.39 and 14,443.56

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Solution

The fourth proportional to 42,534.97, 63,805.39 and 14,443.56 is: 21,666.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,534.97 : 63,805.39 = 14,443.56 : x
  2. Step 2: Convert to fraction form
    42,534.97/63,805.39 = 14,443.56/x
  3. Step 3: Cross multiply
    42,534.97x = 63,805.39 × 14,443.56
  4. Step 4: Simplify right side
    42,534.97x = 921,576,942.68
  5. Step 5: Solve for x
    x = 921,576,942.68/42,534.97
  6. Step 6: Final answer
    x = 21,666.34

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1.5x scale

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.