Home / 65,711.61-98,535.38-32,420.61

Finding the Fourth Proportional to 65,711.61, 98,535.38 and 32,420.61

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Solution

The fourth proportional to 65,711.61, 98,535.38 and 32,420.61 is: 48,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,711.61 : 98,535.38 = 32,420.61 : x
  2. Step 2: Convert to fraction form
    65,711.61/98,535.38 = 32,420.61/x
  3. Step 3: Cross multiply
    65,711.61x = 98,535.38 × 32,420.61
  4. Step 4: Simplify right side
    65,711.61x = 3,194,576,964.08
  5. Step 5: Solve for x
    x = 3,194,576,964.08/65,711.61
  6. Step 6: Final answer
    x = 48,615.11

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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.