Home / 48,375.28-72,549.18-18,786.80

Finding the Fourth Proportional to 48,375.28, 72,549.18 and 18,786.80

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Solution

The fourth proportional to 48,375.28, 72,549.18 and 18,786.80 is: 28,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,375.28 : 72,549.18 = 18,786.80 : x
  2. Step 2: Convert to fraction form
    48,375.28/72,549.18 = 18,786.80/x
  3. Step 3: Cross multiply
    48,375.28x = 72,549.18 × 18,786.80
  4. Step 4: Simplify right side
    48,375.28x = 1,362,966,934.82
  5. Step 5: Solve for x
    x = 1,362,966,934.82/48,375.28
  6. Step 6: Final answer
    x = 28,174.86

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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.