Home / 40,419.31-60,620.76-10,830.23

Finding the Fourth Proportional to 40,419.31, 60,620.76 and 10,830.23

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Solution

The fourth proportional to 40,419.31, 60,620.76 and 10,830.23 is: 16,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.31 : 60,620.76 = 10,830.23 : x
  2. Step 2: Convert to fraction form
    40,419.31/60,620.76 = 10,830.23/x
  3. Step 3: Cross multiply
    40,419.31x = 60,620.76 × 10,830.23
  4. Step 4: Simplify right side
    40,419.31x = 656,536,773.57
  5. Step 5: Solve for x
    x = 656,536,773.57/40,419.31
  6. Step 6: Final answer
    x = 16,243.15

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1.5x scale

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.