Home / 40,020.08-55,227.84-22,115.04

Finding the Fourth Proportional to 40,020.08, 55,227.84 and 22,115.04

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Solution

The fourth proportional to 40,020.08, 55,227.84 and 22,115.04 is: 30,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,020.08 : 55,227.84 = 22,115.04 : x
  2. Step 2: Convert to fraction form
    40,020.08/55,227.84 = 22,115.04/x
  3. Step 3: Cross multiply
    40,020.08x = 55,227.84 × 22,115.04
  4. Step 4: Simplify right side
    40,020.08x = 1,221,365,890.71
  5. Step 5: Solve for x
    x = 1,221,365,890.71/40,020.08
  6. Step 6: Final answer
    x = 30,518.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.