Home / 34,677.40-47,854.72-18,761.84

Finding the Fourth Proportional to 34,677.40, 47,854.72 and 18,761.84

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Solution

The fourth proportional to 34,677.40, 47,854.72 and 18,761.84 is: 25,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,677.40 : 47,854.72 = 18,761.84 : x
  2. Step 2: Convert to fraction form
    34,677.40/47,854.72 = 18,761.84/x
  3. Step 3: Cross multiply
    34,677.40x = 47,854.72 × 18,761.84
  4. Step 4: Simplify right side
    34,677.40x = 897,842,599.88
  5. Step 5: Solve for x
    x = 897,842,599.88/34,677.40
  6. Step 6: Final answer
    x = 25,891.29

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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.