Home / 66,524.77-91,805.05-39,301.75

Finding the Fourth Proportional to 66,524.77, 91,805.05 and 39,301.75

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Solution

The fourth proportional to 66,524.77, 91,805.05 and 39,301.75 is: 54,236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,524.77 : 91,805.05 = 39,301.75 : x
  2. Step 2: Convert to fraction form
    66,524.77/91,805.05 = 39,301.75/x
  3. Step 3: Cross multiply
    66,524.77x = 91,805.05 × 39,301.75
  4. Step 4: Simplify right side
    66,524.77x = 3,608,099,123.84
  5. Step 5: Solve for x
    x = 3,608,099,123.84/66,524.77
  6. Step 6: Final answer
    x = 54,236.93

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1.5x scale

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.