Home / 34,125.28-47,080.07-20,691.63

Finding the Fourth Proportional to 34,125.28, 47,080.07 and 20,691.63

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Solution

The fourth proportional to 34,125.28, 47,080.07 and 20,691.63 is: 28,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,125.28 : 47,080.07 = 20,691.63 : x
  2. Step 2: Convert to fraction form
    34,125.28/47,080.07 = 20,691.63/x
  3. Step 3: Cross multiply
    34,125.28x = 47,080.07 × 20,691.63
  4. Step 4: Simplify right side
    34,125.28x = 974,163,440.54
  5. Step 5: Solve for x
    x = 974,163,440.54/34,125.28
  6. Step 6: Final answer
    x = 28,546.68

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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.