Home / 34,507.85-47,617.55-20,171.04

Finding the Fourth Proportional to 34,507.85, 47,617.55 and 20,171.04

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Solution

The fourth proportional to 34,507.85, 47,617.55 and 20,171.04 is: 27,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,507.85 : 47,617.55 = 20,171.04 : x
  2. Step 2: Convert to fraction form
    34,507.85/47,617.55 = 20,171.04/x
  3. Step 3: Cross multiply
    34,507.85x = 47,617.55 × 20,171.04
  4. Step 4: Simplify right side
    34,507.85x = 960,495,404.90
  5. Step 5: Solve for x
    x = 960,495,404.90/34,507.85
  6. Step 6: Final answer
    x = 27,834.11

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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.