Home / 34,170.50-47,155.30-19,266.50

Finding the Fourth Proportional to 34,170.50, 47,155.30 and 19,266.50

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Solution

The fourth proportional to 34,170.50, 47,155.30 and 19,266.50 is: 26,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,170.50 : 47,155.30 = 19,266.50 : x
  2. Step 2: Convert to fraction form
    34,170.50/47,155.30 = 19,266.50/x
  3. Step 3: Cross multiply
    34,170.50x = 47,155.30 × 19,266.50
  4. Step 4: Simplify right side
    34,170.50x = 908,517,587.45
  5. Step 5: Solve for x
    x = 908,517,587.45/34,170.50
  6. Step 6: Final answer
    x = 26,587.78

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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.