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Finding the Fourth Proportional to 34,177.70, 51,266.55 and 15,745.70

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Solution

The fourth proportional to 34,177.70, 51,266.55 and 15,745.70 is: 23,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,177.70 : 51,266.55 = 15,745.70 : x
  2. Step 2: Convert to fraction form
    34,177.70/51,266.55 = 15,745.70/x
  3. Step 3: Cross multiply
    34,177.70x = 51,266.55 × 15,745.70
  4. Step 4: Simplify right side
    34,177.70x = 807,227,716.34
  5. Step 5: Solve for x
    x = 807,227,716.34/34,177.70
  6. Step 6: Final answer
    x = 23,618.55

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1.5x scale

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.