Home / 67,748.11-101,627.43-20,359.51

Finding the Fourth Proportional to 67,748.11, 101,627.43 and 20,359.51

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Solution

The fourth proportional to 67,748.11, 101,627.43 and 20,359.51 is: 30,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,748.11 : 101,627.43 = 20,359.51 : x
  2. Step 2: Convert to fraction form
    67,748.11/101,627.43 = 20,359.51/x
  3. Step 3: Cross multiply
    67,748.11x = 101,627.43 × 20,359.51
  4. Step 4: Simplify right side
    67,748.11x = 2,069,084,677.36
  5. Step 5: Solve for x
    x = 2,069,084,677.36/67,748.11
  6. Step 6: Final answer
    x = 30,540.85

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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.