Home / 65,079.08-97,609.92-18,335.60

Finding the Fourth Proportional to 65,079.08, 97,609.92 and 18,335.60

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Solution

The fourth proportional to 65,079.08, 97,609.92 and 18,335.60 is: 27,500.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,079.08 : 97,609.92 = 18,335.60 : x
  2. Step 2: Convert to fraction form
    65,079.08/97,609.92 = 18,335.60/x
  3. Step 3: Cross multiply
    65,079.08x = 97,609.92 × 18,335.60
  4. Step 4: Simplify right side
    65,079.08x = 1,789,736,449.15
  5. Step 5: Solve for x
    x = 1,789,736,449.15/65,079.08
  6. Step 6: Final answer
    x = 27,500.95

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1.5x scale

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.