Home / 40,387.83-60,594.11-20,680.34

Finding the Fourth Proportional to 40,387.83, 60,594.11 and 20,680.34

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Solution

The fourth proportional to 40,387.83, 60,594.11 and 20,680.34 is: 31,026.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.83 : 60,594.11 = 20,680.34 : x
  2. Step 2: Convert to fraction form
    40,387.83/60,594.11 = 20,680.34/x
  3. Step 3: Cross multiply
    40,387.83x = 60,594.11 × 20,680.34
  4. Step 4: Simplify right side
    40,387.83x = 1,253,106,390.43
  5. Step 5: Solve for x
    x = 1,253,106,390.43/40,387.83
  6. Step 6: Final answer
    x = 31,026.83

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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.