Home / 42,122.88-58,129.56-24,221.40

Finding the Fourth Proportional to 42,122.88, 58,129.56 and 24,221.40

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Solution

The fourth proportional to 42,122.88, 58,129.56 and 24,221.40 is: 33,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.88 : 58,129.56 = 24,221.40 : x
  2. Step 2: Convert to fraction form
    42,122.88/58,129.56 = 24,221.40/x
  3. Step 3: Cross multiply
    42,122.88x = 58,129.56 × 24,221.40
  4. Step 4: Simplify right side
    42,122.88x = 1,407,979,324.58
  5. Step 5: Solve for x
    x = 1,407,979,324.58/42,122.88
  6. Step 6: Final answer
    x = 33,425.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.