Home / 40,421.31-60,540.30-27,884.34

Finding the Fourth Proportional to 40,421.31, 60,540.30 and 27,884.34

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Solution

The fourth proportional to 40,421.31, 60,540.30 and 27,884.34 is: 41,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.31 : 60,540.30 = 27,884.34 : x
  2. Step 2: Convert to fraction form
    40,421.31/60,540.30 = 27,884.34/x
  3. Step 3: Cross multiply
    40,421.31x = 60,540.30 × 27,884.34
  4. Step 4: Simplify right side
    40,421.31x = 1,688,126,308.90
  5. Step 5: Solve for x
    x = 1,688,126,308.90/40,421.31
  6. Step 6: Final answer
    x = 41,763.28

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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.