Home / 40,377.22-60,664.38-38,139.19

Finding the Fourth Proportional to 40,377.22, 60,664.38 and 38,139.19

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Solution

The fourth proportional to 40,377.22, 60,664.38 and 38,139.19 is: 57,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377.22 : 60,664.38 = 38,139.19 : x
  2. Step 2: Convert to fraction form
    40,377.22/60,664.38 = 38,139.19/x
  3. Step 3: Cross multiply
    40,377.22x = 60,664.38 × 38,139.19
  4. Step 4: Simplify right side
    40,377.22x = 2,313,690,315.05
  5. Step 5: Solve for x
    x = 2,313,690,315.05/40,377.22
  6. Step 6: Final answer
    x = 57,301.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.