Home / 34,170.67-47,154.38-20,023.21

Finding the Fourth Proportional to 34,170.67, 47,154.38 and 20,023.21

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Solution

The fourth proportional to 34,170.67, 47,154.38 and 20,023.21 is: 27,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,170.67 : 47,154.38 = 20,023.21 : x
  2. Step 2: Convert to fraction form
    34,170.67/47,154.38 = 20,023.21/x
  3. Step 3: Cross multiply
    34,170.67x = 47,154.38 × 20,023.21
  4. Step 4: Simplify right side
    34,170.67x = 944,182,053.16
  5. Step 5: Solve for x
    x = 944,182,053.16/34,170.67
  6. Step 6: Final answer
    x = 27,631.36

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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.