Home / 40,229.28-60,345.54-19,158.48

Finding the Fourth Proportional to 40,229.28, 60,345.54 and 19,158.48

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Solution

The fourth proportional to 40,229.28, 60,345.54 and 19,158.48 is: 28,738.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,229.28 : 60,345.54 = 19,158.48 : x
  2. Step 2: Convert to fraction form
    40,229.28/60,345.54 = 19,158.48/x
  3. Step 3: Cross multiply
    40,229.28x = 60,345.54 × 19,158.48
  4. Step 4: Simplify right side
    40,229.28x = 1,156,128,821.18
  5. Step 5: Solve for x
    x = 1,156,128,821.18/40,229.28
  6. Step 6: Final answer
    x = 28,738.49

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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.