Home / 31,715.13-43,765.20-17,567.04

Finding the Fourth Proportional to 31,715.13, 43,765.20 and 17,567.04

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Solution

The fourth proportional to 31,715.13, 43,765.20 and 17,567.04 is: 24,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.13 : 43,765.20 = 17,567.04 : x
  2. Step 2: Convert to fraction form
    31,715.13/43,765.20 = 17,567.04/x
  3. Step 3: Cross multiply
    31,715.13x = 43,765.20 × 17,567.04
  4. Step 4: Simplify right side
    31,715.13x = 768,825,019.01
  5. Step 5: Solve for x
    x = 768,825,019.01/31,715.13
  6. Step 6: Final answer
    x = 24,241.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.