Home / 51,151.32-76,624.92-40,639.14

Finding the Fourth Proportional to 51,151.32, 76,624.92 and 40,639.14

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Solution

The fourth proportional to 51,151.32, 76,624.92 and 40,639.14 is: 60,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.32 : 76,624.92 = 40,639.14 : x
  2. Step 2: Convert to fraction form
    51,151.32/76,624.92 = 40,639.14/x
  3. Step 3: Cross multiply
    51,151.32x = 76,624.92 × 40,639.14
  4. Step 4: Simplify right side
    51,151.32x = 3,113,970,851.37
  5. Step 5: Solve for x
    x = 3,113,970,851.37/51,151.32
  6. Step 6: Final answer
    x = 60,877.62

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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.