Home / 48,382.68-72,555.60-28,666.80

Finding the Fourth Proportional to 48,382.68, 72,555.60 and 28,666.80

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Solution

The fourth proportional to 48,382.68, 72,555.60 and 28,666.80 is: 42,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,382.68 : 72,555.60 = 28,666.80 : x
  2. Step 2: Convert to fraction form
    48,382.68/72,555.60 = 28,666.80/x
  3. Step 3: Cross multiply
    48,382.68x = 72,555.60 × 28,666.80
  4. Step 4: Simplify right side
    48,382.68x = 2,079,936,874.08
  5. Step 5: Solve for x
    x = 2,079,936,874.08/48,382.68
  6. Step 6: Final answer
    x = 42,989.29

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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.