Home / 55,144.55-82,716.83-13,591.55

Finding the Fourth Proportional to 55,144.55, 82,716.83 and 13,591.55

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Solution

The fourth proportional to 55,144.55, 82,716.83 and 13,591.55 is: 20,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,144.55 : 82,716.83 = 13,591.55 : x
  2. Step 2: Convert to fraction form
    55,144.55/82,716.83 = 13,591.55/x
  3. Step 3: Cross multiply
    55,144.55x = 82,716.83 × 13,591.55
  4. Step 4: Simplify right side
    55,144.55x = 1,124,249,655.31
  5. Step 5: Solve for x
    x = 1,124,249,655.31/55,144.55
  6. Step 6: Final answer
    x = 20,387.32

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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.