Home / 65,538.20-98,296.50-28,104.32

Finding the Fourth Proportional to 65,538.20, 98,296.50 and 28,104.32

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Solution

The fourth proportional to 65,538.20, 98,296.50 and 28,104.32 is: 42,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,538.20 : 98,296.50 = 28,104.32 : x
  2. Step 2: Convert to fraction form
    65,538.20/98,296.50 = 28,104.32/x
  3. Step 3: Cross multiply
    65,538.20x = 98,296.50 × 28,104.32
  4. Step 4: Simplify right side
    65,538.20x = 2,762,556,290.88
  5. Step 5: Solve for x
    x = 2,762,556,290.88/65,538.20
  6. Step 6: Final answer
    x = 42,151.85

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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.