Home / 60,739.46-91,119.87-20,749.04

Finding the Fourth Proportional to 60,739.46, 91,119.87 and 20,749.04

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Solution

The fourth proportional to 60,739.46, 91,119.87 and 20,749.04 is: 31,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,739.46 : 91,119.87 = 20,749.04 : x
  2. Step 2: Convert to fraction form
    60,739.46/91,119.87 = 20,749.04/x
  3. Step 3: Cross multiply
    60,739.46x = 91,119.87 × 20,749.04
  4. Step 4: Simplify right side
    60,739.46x = 1,890,649,371.83
  5. Step 5: Solve for x
    x = 1,890,649,371.83/60,739.46
  6. Step 6: Final answer
    x = 31,127.20

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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.