Home / 40,354.38-55,687.50-22,448.79

Finding the Fourth Proportional to 40,354.38, 55,687.50 and 22,448.79

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Solution

The fourth proportional to 40,354.38, 55,687.50 and 22,448.79 is: 30,978.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354.38 : 55,687.50 = 22,448.79 : x
  2. Step 2: Convert to fraction form
    40,354.38/55,687.50 = 22,448.79/x
  3. Step 3: Cross multiply
    40,354.38x = 55,687.50 × 22,448.79
  4. Step 4: Simplify right side
    40,354.38x = 1,250,116,993.13
  5. Step 5: Solve for x
    x = 1,250,116,993.13/40,354.38
  6. Step 6: Final answer
    x = 30,978.47

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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.