Home / 48,849.13-67,390.40-28,696.92

Finding the Fourth Proportional to 48,849.13, 67,390.40 and 28,696.92

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Solution

The fourth proportional to 48,849.13, 67,390.40 and 28,696.92 is: 39,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,849.13 : 67,390.40 = 28,696.92 : x
  2. Step 2: Convert to fraction form
    48,849.13/67,390.40 = 28,696.92/x
  3. Step 3: Cross multiply
    48,849.13x = 67,390.40 × 28,696.92
  4. Step 4: Simplify right side
    48,849.13x = 1,933,896,917.57
  5. Step 5: Solve for x
    x = 1,933,896,917.57/48,849.13
  6. Step 6: Final answer
    x = 39,589.18

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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.