Home / 40,279.47-55,585.20-22,376.44

Finding the Fourth Proportional to 40,279.47, 55,585.20 and 22,376.44

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Solution

The fourth proportional to 40,279.47, 55,585.20 and 22,376.44 is: 30,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.47 : 55,585.20 = 22,376.44 : x
  2. Step 2: Convert to fraction form
    40,279.47/55,585.20 = 22,376.44/x
  3. Step 3: Cross multiply
    40,279.47x = 55,585.20 × 22,376.44
  4. Step 4: Simplify right side
    40,279.47x = 1,243,798,892.69
  5. Step 5: Solve for x
    x = 1,243,798,892.69/40,279.47
  6. Step 6: Final answer
    x = 30,879.23

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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.