Home / 43,149.85-64,727.56-13,568.83

Finding the Fourth Proportional to 43,149.85, 64,727.56 and 13,568.83

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Solution

The fourth proportional to 43,149.85, 64,727.56 and 13,568.83 is: 20,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,149.85 : 64,727.56 = 13,568.83 : x
  2. Step 2: Convert to fraction form
    43,149.85/64,727.56 = 13,568.83/x
  3. Step 3: Cross multiply
    43,149.85x = 64,727.56 × 13,568.83
  4. Step 4: Simplify right side
    43,149.85x = 878,276,934.32
  5. Step 5: Solve for x
    x = 878,276,934.32/43,149.85
  6. Step 6: Final answer
    x = 20,354.12

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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.