Home / 51,227.39-76,834.67-13,785.95

Finding the Fourth Proportional to 51,227.39, 76,834.67 and 13,785.95

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Solution

The fourth proportional to 51,227.39, 76,834.67 and 13,785.95 is: 20,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,227.39 : 76,834.67 = 13,785.95 : x
  2. Step 2: Convert to fraction form
    51,227.39/76,834.67 = 13,785.95/x
  3. Step 3: Cross multiply
    51,227.39x = 76,834.67 × 13,785.95
  4. Step 4: Simplify right side
    51,227.39x = 1,059,238,465.78
  5. Step 5: Solve for x
    x = 1,059,238,465.78/51,227.39
  6. Step 6: Final answer
    x = 20,677.19

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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.