Home / 34,113.80-47,034.60-28,456.76

Finding the Fourth Proportional to 34,113.80, 47,034.60 and 28,456.76

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Solution

The fourth proportional to 34,113.80, 47,034.60 and 28,456.76 is: 39,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,113.80 : 47,034.60 = 28,456.76 : x
  2. Step 2: Convert to fraction form
    34,113.80/47,034.60 = 28,456.76/x
  3. Step 3: Cross multiply
    34,113.80x = 47,034.60 × 28,456.76
  4. Step 4: Simplify right side
    34,113.80x = 1,338,452,323.90
  5. Step 5: Solve for x
    x = 1,338,452,323.90/34,113.80
  6. Step 6: Final answer
    x = 39,234.92

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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.