Home / 42,781.97-64,180.45-14,704.94

Finding the Fourth Proportional to 42,781.97, 64,180.45 and 14,704.94

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Solution

The fourth proportional to 42,781.97, 64,180.45 and 14,704.94 is: 22,059.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,781.97 : 64,180.45 = 14,704.94 : x
  2. Step 2: Convert to fraction form
    42,781.97/64,180.45 = 14,704.94/x
  3. Step 3: Cross multiply
    42,781.97x = 64,180.45 × 14,704.94
  4. Step 4: Simplify right side
    42,781.97x = 943,769,845.26
  5. Step 5: Solve for x
    x = 943,769,845.26/42,781.97
  6. Step 6: Final answer
    x = 22,059.99

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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.