Home / 65,311.11-97,967.87-18,565.20

Finding the Fourth Proportional to 65,311.11, 97,967.87 and 18,565.20

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Solution

The fourth proportional to 65,311.11, 97,967.87 and 18,565.20 is: 27,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,311.11 : 97,967.87 = 18,565.20 : x
  2. Step 2: Convert to fraction form
    65,311.11/97,967.87 = 18,565.20/x
  3. Step 3: Cross multiply
    65,311.11x = 97,967.87 × 18,565.20
  4. Step 4: Simplify right side
    65,311.11x = 1,818,793,100.12
  5. Step 5: Solve for x
    x = 1,818,793,100.12/65,311.11
  6. Step 6: Final answer
    x = 27,848.14

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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.