Home / 66,179.19-91,327.28-36,371.19

Finding the Fourth Proportional to 66,179.19, 91,327.28 and 36,371.19

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Solution

The fourth proportional to 66,179.19, 91,327.28 and 36,371.19 is: 50,192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,179.19 : 91,327.28 = 36,371.19 : x
  2. Step 2: Convert to fraction form
    66,179.19/91,327.28 = 36,371.19/x
  3. Step 3: Cross multiply
    66,179.19x = 91,327.28 × 36,371.19
  4. Step 4: Simplify right side
    66,179.19x = 3,321,681,853.06
  5. Step 5: Solve for x
    x = 3,321,681,853.06/66,179.19
  6. Step 6: Final answer
    x = 50,192.24

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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.