Home / 48,189.74-72,245.66-20,131.29

Finding the Fourth Proportional to 48,189.74, 72,245.66 and 20,131.29

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Solution

The fourth proportional to 48,189.74, 72,245.66 and 20,131.29 is: 30,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,189.74 : 72,245.66 = 20,131.29 : x
  2. Step 2: Convert to fraction form
    48,189.74/72,245.66 = 20,131.29/x
  3. Step 3: Cross multiply
    48,189.74x = 72,245.66 × 20,131.29
  4. Step 4: Simplify right side
    48,189.74x = 1,454,398,232.04
  5. Step 5: Solve for x
    x = 1,454,398,232.04/48,189.74
  6. Step 6: Final answer
    x = 30,180.66

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1.5x scale

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.