Home / 42,899.52-64,261.68-22,079.28

Finding the Fourth Proportional to 42,899.52, 64,261.68 and 22,079.28

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Solution

The fourth proportional to 42,899.52, 64,261.68 and 22,079.28 is: 33,073.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,899.52 : 64,261.68 = 22,079.28 : x
  2. Step 2: Convert to fraction form
    42,899.52/64,261.68 = 22,079.28/x
  3. Step 3: Cross multiply
    42,899.52x = 64,261.68 × 22,079.28
  4. Step 4: Simplify right side
    42,899.52x = 1,418,851,625.99
  5. Step 5: Solve for x
    x = 1,418,851,625.99/42,899.52
  6. Step 6: Final answer
    x = 33,073.83

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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.