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Finding the Fourth Proportional to 34,677, 47,854.35 and 18,761.58

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Solution

The fourth proportional to 34,677, 47,854.35 and 18,761.58 is: 25,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,677 : 47,854.35 = 18,761.58 : x
  2. Step 2: Convert to fraction form
    34,677/47,854.35 = 18,761.58/x
  3. Step 3: Cross multiply
    34,677x = 47,854.35 × 18,761.58
  4. Step 4: Simplify right side
    34,677x = 897,823,215.87
  5. Step 5: Solve for x
    x = 897,823,215.87/34,677
  6. Step 6: Final answer
    x = 25,891.03

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1.5x scale

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.