Home / 78,035.38-117,072.50-22,631.38

Finding the Fourth Proportional to 78,035.38, 117,072.50 and 22,631.38

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Solution

The fourth proportional to 78,035.38, 117,072.50 and 22,631.38 is: 33,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,035.38 : 117,072.50 = 22,631.38 : x
  2. Step 2: Convert to fraction form
    78,035.38/117,072.50 = 22,631.38/x
  3. Step 3: Cross multiply
    78,035.38x = 117,072.50 × 22,631.38
  4. Step 4: Simplify right side
    78,035.38x = 2,649,512,235.05
  5. Step 5: Solve for x
    x = 2,649,512,235.05/78,035.38
  6. Step 6: Final answer
    x = 33,952.70

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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.