Home / 38,785.26-58,163.52-13,818.68

Finding the Fourth Proportional to 38,785.26, 58,163.52 and 13,818.68

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Solution

The fourth proportional to 38,785.26, 58,163.52 and 13,818.68 is: 20,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785.26 : 58,163.52 = 13,818.68 : x
  2. Step 2: Convert to fraction form
    38,785.26/58,163.52 = 13,818.68/x
  3. Step 3: Cross multiply
    38,785.26x = 58,163.52 × 13,818.68
  4. Step 4: Simplify right side
    38,785.26x = 803,743,070.55
  5. Step 5: Solve for x
    x = 803,743,070.55/38,785.26
  6. Step 6: Final answer
    x = 20,722.90

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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.