Home / 60,427.68-90,638.64-18,305.88

Finding the Fourth Proportional to 60,427.68, 90,638.64 and 18,305.88

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Solution

The fourth proportional to 60,427.68, 90,638.64 and 18,305.88 is: 27,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,427.68 : 90,638.64 = 18,305.88 : x
  2. Step 2: Convert to fraction form
    60,427.68/90,638.64 = 18,305.88/x
  3. Step 3: Cross multiply
    60,427.68x = 90,638.64 × 18,305.88
  4. Step 4: Simplify right side
    60,427.68x = 1,659,220,067.20
  5. Step 5: Solve for x
    x = 1,659,220,067.20/60,427.68
  6. Step 6: Final answer
    x = 27,457.95

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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.