Home / 60,990.03-91,479.65-21,545.19

Finding the Fourth Proportional to 60,990.03, 91,479.65 and 21,545.19

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Solution

The fourth proportional to 60,990.03, 91,479.65 and 21,545.19 is: 32,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,990.03 : 91,479.65 = 21,545.19 : x
  2. Step 2: Convert to fraction form
    60,990.03/91,479.65 = 21,545.19/x
  3. Step 3: Cross multiply
    60,990.03x = 91,479.65 × 21,545.19
  4. Step 4: Simplify right side
    60,990.03x = 1,970,946,332.66
  5. Step 5: Solve for x
    x = 1,970,946,332.66/60,990.03
  6. Step 6: Final answer
    x = 32,315.88

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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.