Home / 48,371.09-72,482.66-20,275.83

Finding the Fourth Proportional to 48,371.09, 72,482.66 and 20,275.83

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Solution

The fourth proportional to 48,371.09, 72,482.66 and 20,275.83 is: 30,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,371.09 : 72,482.66 = 20,275.83 : x
  2. Step 2: Convert to fraction form
    48,371.09/72,482.66 = 20,275.83/x
  3. Step 3: Cross multiply
    48,371.09x = 72,482.66 × 20,275.83
  4. Step 4: Simplify right side
    48,371.09x = 1,469,646,092.11
  5. Step 5: Solve for x
    x = 1,469,646,092.11/48,371.09
  6. Step 6: Final answer
    x = 30,382.74

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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.