Home / 74,834.40-112,251.45-30,451.26

Finding the Fourth Proportional to 74,834.40, 112,251.45 and 30,451.26

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Solution

The fourth proportional to 74,834.40, 112,251.45 and 30,451.26 is: 45,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,834.40 : 112,251.45 = 30,451.26 : x
  2. Step 2: Convert to fraction form
    74,834.40/112,251.45 = 30,451.26/x
  3. Step 3: Cross multiply
    74,834.40x = 112,251.45 × 30,451.26
  4. Step 4: Simplify right side
    74,834.40x = 3,418,198,089.33
  5. Step 5: Solve for x
    x = 3,418,198,089.33/74,834.40
  6. Step 6: Final answer
    x = 45,676.83

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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.