Home / 48,250.13-72,366.38-13,189.46

Finding the Fourth Proportional to 48,250.13, 72,366.38 and 13,189.46

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Solution

The fourth proportional to 48,250.13, 72,366.38 and 13,189.46 is: 19,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,250.13 : 72,366.38 = 13,189.46 : x
  2. Step 2: Convert to fraction form
    48,250.13/72,366.38 = 13,189.46/x
  3. Step 3: Cross multiply
    48,250.13x = 72,366.38 × 13,189.46
  4. Step 4: Simplify right side
    48,250.13x = 954,473,408.41
  5. Step 5: Solve for x
    x = 954,473,408.41/48,250.13
  6. Step 6: Final answer
    x = 19,781.78

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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.