Home / 40,387.06-60,576.31-10,807.88

Finding the Fourth Proportional to 40,387.06, 60,576.31 and 10,807.88

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Solution

The fourth proportional to 40,387.06, 60,576.31 and 10,807.88 is: 16,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.06 : 60,576.31 = 10,807.88 : x
  2. Step 2: Convert to fraction form
    40,387.06/60,576.31 = 10,807.88/x
  3. Step 3: Cross multiply
    40,387.06x = 60,576.31 × 10,807.88
  4. Step 4: Simplify right side
    40,387.06x = 654,701,479.90
  5. Step 5: Solve for x
    x = 654,701,479.90/40,387.06
  6. Step 6: Final answer
    x = 16,210.68

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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.