Home / 34,731.17-47,929.20-18,815.66

Finding the Fourth Proportional to 34,731.17, 47,929.20 and 18,815.66

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Solution

The fourth proportional to 34,731.17, 47,929.20 and 18,815.66 is: 25,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,731.17 : 47,929.20 = 18,815.66 : x
  2. Step 2: Convert to fraction form
    34,731.17/47,929.20 = 18,815.66/x
  3. Step 3: Cross multiply
    34,731.17x = 47,929.20 × 18,815.66
  4. Step 4: Simplify right side
    34,731.17x = 901,819,531.27
  5. Step 5: Solve for x
    x = 901,819,531.27/34,731.17
  6. Step 6: Final answer
    x = 25,965.71

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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.