Home / 66,209.90-91,371.45-35,997.26

Finding the Fourth Proportional to 66,209.90, 91,371.45 and 35,997.26

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Solution

The fourth proportional to 66,209.90, 91,371.45 and 35,997.26 is: 49,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,209.90 : 91,371.45 = 35,997.26 : x
  2. Step 2: Convert to fraction form
    66,209.90/91,371.45 = 35,997.26/x
  3. Step 3: Cross multiply
    66,209.90x = 91,371.45 × 35,997.26
  4. Step 4: Simplify right side
    66,209.90x = 3,289,121,385.37
  5. Step 5: Solve for x
    x = 3,289,121,385.37/66,209.90
  6. Step 6: Final answer
    x = 49,677.19

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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.