Home / 40,044.96-55,260.96-22,140.72

Finding the Fourth Proportional to 40,044.96, 55,260.96 and 22,140.72

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Solution

The fourth proportional to 40,044.96, 55,260.96 and 22,140.72 is: 30,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,044.96 : 55,260.96 = 22,140.72 : x
  2. Step 2: Convert to fraction form
    40,044.96/55,260.96 = 22,140.72/x
  3. Step 3: Cross multiply
    40,044.96x = 55,260.96 × 22,140.72
  4. Step 4: Simplify right side
    40,044.96x = 1,223,517,442.29
  5. Step 5: Solve for x
    x = 1,223,517,442.29/40,044.96
  6. Step 6: Final answer
    x = 30,553.59

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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.