Home / 40,386.66-60,575.18-10,806.78

Finding the Fourth Proportional to 40,386.66, 60,575.18 and 10,806.78

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Solution

The fourth proportional to 40,386.66, 60,575.18 and 10,806.78 is: 16,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.66 : 60,575.18 = 10,806.78 : x
  2. Step 2: Convert to fraction form
    40,386.66/60,575.18 = 10,806.78/x
  3. Step 3: Cross multiply
    40,386.66x = 60,575.18 × 10,806.78
  4. Step 4: Simplify right side
    40,386.66x = 654,622,643.72
  5. Step 5: Solve for x
    x = 654,622,643.72/40,386.66
  6. Step 6: Final answer
    x = 16,208.88

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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.