Home / 43,146.68-64,720.02-13,567.10

Finding the Fourth Proportional to 43,146.68, 64,720.02 and 13,567.10

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Solution

The fourth proportional to 43,146.68, 64,720.02 and 13,567.10 is: 20,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,146.68 : 64,720.02 = 13,567.10 : x
  2. Step 2: Convert to fraction form
    43,146.68/64,720.02 = 13,567.10/x
  3. Step 3: Cross multiply
    43,146.68x = 64,720.02 × 13,567.10
  4. Step 4: Simplify right side
    43,146.68x = 878,062,983.34
  5. Step 5: Solve for x
    x = 878,062,983.34/43,146.68
  6. Step 6: Final answer
    x = 20,350.65

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Similar ratio
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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.