Home / 37,314-55,987.20-18,612.72

Finding the Fourth Proportional to 37,314, 55,987.20 and 18,612.72

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Solution

The fourth proportional to 37,314, 55,987.20 and 18,612.72 is: 27,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,314 : 55,987.20 = 18,612.72 : x
  2. Step 2: Convert to fraction form
    37,314/55,987.20 = 18,612.72/x
  3. Step 3: Cross multiply
    37,314x = 55,987.20 × 18,612.72
  4. Step 4: Simplify right side
    37,314x = 1,042,074,077.18
  5. Step 5: Solve for x
    x = 1,042,074,077.18/37,314
  6. Step 6: Final answer
    x = 27,927.16

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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.