Home / 66,211.04-91,371.15-35,996.28

Finding the Fourth Proportional to 66,211.04, 91,371.15 and 35,996.28

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Solution

The fourth proportional to 66,211.04, 91,371.15 and 35,996.28 is: 49,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,211.04 : 91,371.15 = 35,996.28 : x
  2. Step 2: Convert to fraction form
    66,211.04/91,371.15 = 35,996.28/x
  3. Step 3: Cross multiply
    66,211.04x = 91,371.15 × 35,996.28
  4. Step 4: Simplify right side
    66,211.04x = 3,289,021,499.32
  5. Step 5: Solve for x
    x = 3,289,021,499.32/66,211.04
  6. Step 6: Final answer
    x = 49,674.82

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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.