Home / 42,724.80-58,960.44-30,791.88

Finding the Fourth Proportional to 42,724.80, 58,960.44 and 30,791.88

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Solution

The fourth proportional to 42,724.80, 58,960.44 and 30,791.88 is: 42,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724.80 : 58,960.44 = 30,791.88 : x
  2. Step 2: Convert to fraction form
    42,724.80/58,960.44 = 30,791.88/x
  3. Step 3: Cross multiply
    42,724.80x = 58,960.44 × 30,791.88
  4. Step 4: Simplify right side
    42,724.80x = 1,815,502,793.23
  5. Step 5: Solve for x
    x = 1,815,502,793.23/42,724.80
  6. Step 6: Final answer
    x = 42,492.95

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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.