Home / 40,458.54-60,719.58-28,065.78

Finding the Fourth Proportional to 40,458.54, 60,719.58 and 28,065.78

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Solution

The fourth proportional to 40,458.54, 60,719.58 and 28,065.78 is: 42,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,458.54 : 60,719.58 = 28,065.78 : x
  2. Step 2: Convert to fraction form
    40,458.54/60,719.58 = 28,065.78/x
  3. Step 3: Cross multiply
    40,458.54x = 60,719.58 × 28,065.78
  4. Step 4: Simplify right side
    40,458.54x = 1,704,142,373.97
  5. Step 5: Solve for x
    x = 1,704,142,373.97/40,458.54
  6. Step 6: Final answer
    x = 42,120.71

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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.