Home / 48,729.90-73,008.45-30,240.30

Finding the Fourth Proportional to 48,729.90, 73,008.45 and 30,240.30

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Solution

The fourth proportional to 48,729.90, 73,008.45 and 30,240.30 is: 45,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,729.90 : 73,008.45 = 30,240.30 : x
  2. Step 2: Convert to fraction form
    48,729.90/73,008.45 = 30,240.30/x
  3. Step 3: Cross multiply
    48,729.90x = 73,008.45 × 30,240.30
  4. Step 4: Simplify right side
    48,729.90x = 2,207,797,430.54
  5. Step 5: Solve for x
    x = 2,207,797,430.54/48,729.90
  6. Step 6: Final answer
    x = 45,306.83

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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.