Home / 66,249.38-91,424.15-37,971.47

Finding the Fourth Proportional to 66,249.38, 91,424.15 and 37,971.47

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Solution

The fourth proportional to 66,249.38, 91,424.15 and 37,971.47 is: 52,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,249.38 : 91,424.15 = 37,971.47 : x
  2. Step 2: Convert to fraction form
    66,249.38/91,424.15 = 37,971.47/x
  3. Step 3: Cross multiply
    66,249.38x = 91,424.15 × 37,971.47
  4. Step 4: Simplify right side
    66,249.38x = 3,471,508,722.02
  5. Step 5: Solve for x
    x = 3,471,508,722.02/66,249.38
  6. Step 6: Final answer
    x = 52,400.63

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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.