Home / 37,107.72-55,671.30-18,387

Finding the Fourth Proportional to 37,107.72, 55,671.30 and 18,387

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Solution

The fourth proportional to 37,107.72, 55,671.30 and 18,387 is: 27,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.72 : 55,671.30 = 18,387 : x
  2. Step 2: Convert to fraction form
    37,107.72/55,671.30 = 18,387/x
  3. Step 3: Cross multiply
    37,107.72x = 55,671.30 × 18,387
  4. Step 4: Simplify right side
    37,107.72x = 1,023,628,193.10
  5. Step 5: Solve for x
    x = 1,023,628,193.10/37,107.72
  6. Step 6: Final answer
    x = 27,585.32

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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.