Home / 34,170.80-47,154.56-20,023.34

Finding the Fourth Proportional to 34,170.80, 47,154.56 and 20,023.34

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Solution

The fourth proportional to 34,170.80, 47,154.56 and 20,023.34 is: 27,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,170.80 : 47,154.56 = 20,023.34 : x
  2. Step 2: Convert to fraction form
    34,170.80/47,154.56 = 20,023.34/x
  3. Step 3: Cross multiply
    34,170.80x = 47,154.56 × 20,023.34
  4. Step 4: Simplify right side
    34,170.80x = 944,191,451.54
  5. Step 5: Solve for x
    x = 944,191,451.54/34,170.80
  6. Step 6: Final answer
    x = 27,631.53

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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.