Home / 49,712.28-74,594.34-20,151.96

Finding the Fourth Proportional to 49,712.28, 74,594.34 and 20,151.96

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Solution

The fourth proportional to 49,712.28, 74,594.34 and 20,151.96 is: 30,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,712.28 : 74,594.34 = 20,151.96 : x
  2. Step 2: Convert to fraction form
    49,712.28/74,594.34 = 20,151.96/x
  3. Step 3: Cross multiply
    49,712.28x = 74,594.34 × 20,151.96
  4. Step 4: Simplify right side
    49,712.28x = 1,503,222,155.91
  5. Step 5: Solve for x
    x = 1,503,222,155.91/49,712.28
  6. Step 6: Final answer
    x = 30,238.45

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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.