Home / 48,545.80-72,816.87-20,081.99

Finding the Fourth Proportional to 48,545.80, 72,816.87 and 20,081.99

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Solution

The fourth proportional to 48,545.80, 72,816.87 and 20,081.99 is: 30,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,545.80 : 72,816.87 = 20,081.99 : x
  2. Step 2: Convert to fraction form
    48,545.80/72,816.87 = 20,081.99/x
  3. Step 3: Cross multiply
    48,545.80x = 72,816.87 × 20,081.99
  4. Step 4: Simplify right side
    48,545.80x = 1,462,307,912.52
  5. Step 5: Solve for x
    x = 1,462,307,912.52/48,545.80
  6. Step 6: Final answer
    x = 30,122.23

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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.