Home / 48,402.26-72,189.37-42,517.70

Finding the Fourth Proportional to 48,402.26, 72,189.37 and 42,517.70

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Solution

The fourth proportional to 48,402.26, 72,189.37 and 42,517.70 is: 63,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,402.26 : 72,189.37 = 42,517.70 : x
  2. Step 2: Convert to fraction form
    48,402.26/72,189.37 = 42,517.70/x
  3. Step 3: Cross multiply
    48,402.26x = 72,189.37 × 42,517.70
  4. Step 4: Simplify right side
    48,402.26x = 3,069,325,976.85
  5. Step 5: Solve for x
    x = 3,069,325,976.85/48,402.26
  6. Step 6: Final answer
    x = 63,412.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.