Home / 43,140.26-64,643.06-27,311.78

Finding the Fourth Proportional to 43,140.26, 64,643.06 and 27,311.78

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Solution

The fourth proportional to 43,140.26, 64,643.06 and 27,311.78 is: 40,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,140.26 : 64,643.06 = 27,311.78 : x
  2. Step 2: Convert to fraction form
    43,140.26/64,643.06 = 27,311.78/x
  3. Step 3: Cross multiply
    43,140.26x = 64,643.06 × 27,311.78
  4. Step 4: Simplify right side
    43,140.26x = 1,765,517,033.25
  5. Step 5: Solve for x
    x = 1,765,517,033.25/43,140.26
  6. Step 6: Final answer
    x = 40,925.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.