Home / 48,448.20-72,672.30-45,529.80

Finding the Fourth Proportional to 48,448.20, 72,672.30 and 45,529.80

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Solution

The fourth proportional to 48,448.20, 72,672.30 and 45,529.80 is: 68,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,448.20 : 72,672.30 = 45,529.80 : x
  2. Step 2: Convert to fraction form
    48,448.20/72,672.30 = 45,529.80/x
  3. Step 3: Cross multiply
    48,448.20x = 72,672.30 × 45,529.80
  4. Step 4: Simplify right side
    48,448.20x = 3,308,755,284.54
  5. Step 5: Solve for x
    x = 3,308,755,284.54/48,448.20
  6. Step 6: Final answer
    x = 68,294.70

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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.