Home / 66,426.44-91,665.78-36,211.10

Finding the Fourth Proportional to 66,426.44, 91,665.78 and 36,211.10

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Solution

The fourth proportional to 66,426.44, 91,665.78 and 36,211.10 is: 49,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426.44 : 91,665.78 = 36,211.10 : x
  2. Step 2: Convert to fraction form
    66,426.44/91,665.78 = 36,211.10/x
  3. Step 3: Cross multiply
    66,426.44x = 91,665.78 × 36,211.10
  4. Step 4: Simplify right side
    66,426.44x = 3,319,318,726.16
  5. Step 5: Solve for x
    x = 3,319,318,726.16/66,426.44
  6. Step 6: Final answer
    x = 49,969.84

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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.