Home / 40,081.53-55,274.65-29,895.03

Finding the Fourth Proportional to 40,081.53, 55,274.65 and 29,895.03

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Solution

The fourth proportional to 40,081.53, 55,274.65 and 29,895.03 is: 41,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,081.53 : 55,274.65 = 29,895.03 : x
  2. Step 2: Convert to fraction form
    40,081.53/55,274.65 = 29,895.03/x
  3. Step 3: Cross multiply
    40,081.53x = 55,274.65 × 29,895.03
  4. Step 4: Simplify right side
    40,081.53x = 1,652,437,319.99
  5. Step 5: Solve for x
    x = 1,652,437,319.99/40,081.53
  6. Step 6: Final answer
    x = 41,226.90

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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.