Home / 38,704.68-53,417.40-22,790.61

Finding the Fourth Proportional to 38,704.68, 53,417.40 and 22,790.61

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Solution

The fourth proportional to 38,704.68, 53,417.40 and 22,790.61 is: 31,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,704.68 : 53,417.40 = 22,790.61 : x
  2. Step 2: Convert to fraction form
    38,704.68/53,417.40 = 22,790.61/x
  3. Step 3: Cross multiply
    38,704.68x = 53,417.40 × 22,790.61
  4. Step 4: Simplify right side
    38,704.68x = 1,217,414,749.57
  5. Step 5: Solve for x
    x = 1,217,414,749.57/38,704.68
  6. Step 6: Final answer
    x = 31,453.95

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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.