Home / 38,144.57-57,178.67-18,118.77

Finding the Fourth Proportional to 38,144.57, 57,178.67 and 18,118.77

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Solution

The fourth proportional to 38,144.57, 57,178.67 and 18,118.77 is: 27,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144.57 : 57,178.67 = 18,118.77 : x
  2. Step 2: Convert to fraction form
    38,144.57/57,178.67 = 18,118.77/x
  3. Step 3: Cross multiply
    38,144.57x = 57,178.67 × 18,118.77
  4. Step 4: Simplify right side
    38,144.57x = 1,036,007,080.04
  5. Step 5: Solve for x
    x = 1,036,007,080.04/38,144.57
  6. Step 6: Final answer
    x = 27,160.02

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1.5x scale

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.