Home / 40,379.28-55,722.48-22,473.90

Finding the Fourth Proportional to 40,379.28, 55,722.48 and 22,473.90

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Solution

The fourth proportional to 40,379.28, 55,722.48 and 22,473.90 is: 31,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.28 : 55,722.48 = 22,473.90 : x
  2. Step 2: Convert to fraction form
    40,379.28/55,722.48 = 22,473.90/x
  3. Step 3: Cross multiply
    40,379.28x = 55,722.48 × 22,473.90
  4. Step 4: Simplify right side
    40,379.28x = 1,252,301,443.27
  5. Step 5: Solve for x
    x = 1,252,301,443.27/40,379.28
  6. Step 6: Final answer
    x = 31,013.47

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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.