Home / 61,723.08-85,177.71-33,428.70

Finding the Fourth Proportional to 61,723.08, 85,177.71 and 33,428.70

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Solution

The fourth proportional to 61,723.08, 85,177.71 and 33,428.70 is: 46,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,723.08 : 85,177.71 = 33,428.70 : x
  2. Step 2: Convert to fraction form
    61,723.08/85,177.71 = 33,428.70/x
  3. Step 3: Cross multiply
    61,723.08x = 85,177.71 × 33,428.70
  4. Step 4: Simplify right side
    61,723.08x = 2,847,380,114.28
  5. Step 5: Solve for x
    x = 2,847,380,114.28/61,723.08
  6. Step 6: Final answer
    x = 46,131.53

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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.