Home / 34,677.29-47,854.32-18,761.40

Finding the Fourth Proportional to 34,677.29, 47,854.32 and 18,761.40

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Solution

The fourth proportional to 34,677.29, 47,854.32 and 18,761.40 is: 25,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,677.29 : 47,854.32 = 18,761.40 : x
  2. Step 2: Convert to fraction form
    34,677.29/47,854.32 = 18,761.40/x
  3. Step 3: Cross multiply
    34,677.29x = 47,854.32 × 18,761.40
  4. Step 4: Simplify right side
    34,677.29x = 897,814,039.25
  5. Step 5: Solve for x
    x = 897,814,039.25/34,677.29
  6. Step 6: Final answer
    x = 25,890.55

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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.