Home / 40,151.70-60,255.29-13,856.54

Finding the Fourth Proportional to 40,151.70, 60,255.29 and 13,856.54

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Solution

The fourth proportional to 40,151.70, 60,255.29 and 13,856.54 is: 20,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.70 : 60,255.29 = 13,856.54 : x
  2. Step 2: Convert to fraction form
    40,151.70/60,255.29 = 13,856.54/x
  3. Step 3: Cross multiply
    40,151.70x = 60,255.29 × 13,856.54
  4. Step 4: Simplify right side
    40,151.70x = 834,929,569.46
  5. Step 5: Solve for x
    x = 834,929,569.46/40,151.70
  6. Step 6: Final answer
    x = 20,794.38

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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.