Home / 34,042.80-51,029.10-15,331.80

Finding the Fourth Proportional to 34,042.80, 51,029.10 and 15,331.80

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Solution

The fourth proportional to 34,042.80, 51,029.10 and 15,331.80 is: 22,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,042.80 : 51,029.10 = 15,331.80 : x
  2. Step 2: Convert to fraction form
    34,042.80/51,029.10 = 15,331.80/x
  3. Step 3: Cross multiply
    34,042.80x = 51,029.10 × 15,331.80
  4. Step 4: Simplify right side
    34,042.80x = 782,367,955.38
  5. Step 5: Solve for x
    x = 782,367,955.38/34,042.80
  6. Step 6: Final answer
    x = 22,981.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.