Home / 42,193.88-58,214.40-28,049.12

Finding the Fourth Proportional to 42,193.88, 58,214.40 and 28,049.12

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Solution

The fourth proportional to 42,193.88, 58,214.40 and 28,049.12 is: 38,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,193.88 : 58,214.40 = 28,049.12 : x
  2. Step 2: Convert to fraction form
    42,193.88/58,214.40 = 28,049.12/x
  3. Step 3: Cross multiply
    42,193.88x = 58,214.40 × 28,049.12
  4. Step 4: Simplify right side
    42,193.88x = 1,632,862,691.33
  5. Step 5: Solve for x
    x = 1,632,862,691.33/42,193.88
  6. Step 6: Final answer
    x = 38,699.04

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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.