Home / 63,989.20-96,031.80-32,808.40

Finding the Fourth Proportional to 63,989.20, 96,031.80 and 32,808.40

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Solution

The fourth proportional to 63,989.20, 96,031.80 and 32,808.40 is: 49,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,989.20 : 96,031.80 = 32,808.40 : x
  2. Step 2: Convert to fraction form
    63,989.20/96,031.80 = 32,808.40/x
  3. Step 3: Cross multiply
    63,989.20x = 96,031.80 × 32,808.40
  4. Step 4: Simplify right side
    63,989.20x = 3,150,649,707.12
  5. Step 5: Solve for x
    x = 3,150,649,707.12/63,989.20
  6. Step 6: Final answer
    x = 49,237.21

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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.