Home / 60,655.28-90,993.88-20,672.06

Finding the Fourth Proportional to 60,655.28, 90,993.88 and 20,672.06

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Solution

The fourth proportional to 60,655.28, 90,993.88 and 20,672.06 is: 31,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,655.28 : 90,993.88 = 20,672.06 : x
  2. Step 2: Convert to fraction form
    60,655.28/90,993.88 = 20,672.06/x
  3. Step 3: Cross multiply
    60,655.28x = 90,993.88 × 20,672.06
  4. Step 4: Simplify right side
    60,655.28x = 1,881,031,029.70
  5. Step 5: Solve for x
    x = 1,881,031,029.70/60,655.28
  6. Step 6: Final answer
    x = 31,011.83

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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.