Home / 65,184.32-97,778.17-20,811.04

Finding the Fourth Proportional to 65,184.32, 97,778.17 and 20,811.04

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Solution

The fourth proportional to 65,184.32, 97,778.17 and 20,811.04 is: 31,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,184.32 : 97,778.17 = 20,811.04 : x
  2. Step 2: Convert to fraction form
    65,184.32/97,778.17 = 20,811.04/x
  3. Step 3: Cross multiply
    65,184.32x = 97,778.17 × 20,811.04
  4. Step 4: Simplify right side
    65,184.32x = 2,034,864,918.11
  5. Step 5: Solve for x
    x = 2,034,864,918.11/65,184.32
  6. Step 6: Final answer
    x = 31,217.09

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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.