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Finding the Fourth Proportional to 61,846.44, 85,348.12 and 34,988.38

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Solution

The fourth proportional to 61,846.44, 85,348.12 and 34,988.38 is: 48,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,846.44 : 85,348.12 = 34,988.38 : x
  2. Step 2: Convert to fraction form
    61,846.44/85,348.12 = 34,988.38/x
  3. Step 3: Cross multiply
    61,846.44x = 85,348.12 × 34,988.38
  4. Step 4: Simplify right side
    61,846.44x = 2,986,192,454.85
  5. Step 5: Solve for x
    x = 2,986,192,454.85/61,846.44
  6. Step 6: Final answer
    x = 48,283.98

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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.