Home / 66,945.78-92,386.38-36,732.60

Finding the Fourth Proportional to 66,945.78, 92,386.38 and 36,732.60

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Solution

The fourth proportional to 66,945.78, 92,386.38 and 36,732.60 is: 50,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945.78 : 92,386.38 = 36,732.60 : x
  2. Step 2: Convert to fraction form
    66,945.78/92,386.38 = 36,732.60/x
  3. Step 3: Cross multiply
    66,945.78x = 92,386.38 × 36,732.60
  4. Step 4: Simplify right side
    66,945.78x = 3,393,591,941.99
  5. Step 5: Solve for x
    x = 3,393,591,941.99/66,945.78
  6. Step 6: Final answer
    x = 50,691.65

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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.