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Finding the Fourth Proportional to 65,500.80, 98,232.96 and 18,741.12

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Solution

The fourth proportional to 65,500.80, 98,232.96 and 18,741.12 is: 28,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,500.80 : 98,232.96 = 18,741.12 : x
  2. Step 2: Convert to fraction form
    65,500.80/98,232.96 = 18,741.12/x
  3. Step 3: Cross multiply
    65,500.80x = 98,232.96 × 18,741.12
  4. Step 4: Simplify right side
    65,500.80x = 1,840,995,691.32
  5. Step 5: Solve for x
    x = 1,840,995,691.32/65,500.80
  6. Step 6: Final answer
    x = 28,106.46

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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.