Home / 51,279.66-76,953.81-17,999.88

Finding the Fourth Proportional to 51,279.66, 76,953.81 and 17,999.88

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Solution

The fourth proportional to 51,279.66, 76,953.81 and 17,999.88 is: 27,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,279.66 : 76,953.81 = 17,999.88 : x
  2. Step 2: Convert to fraction form
    51,279.66/76,953.81 = 17,999.88/x
  3. Step 3: Cross multiply
    51,279.66x = 76,953.81 × 17,999.88
  4. Step 4: Simplify right side
    51,279.66x = 1,385,159,345.54
  5. Step 5: Solve for x
    x = 1,385,159,345.54/51,279.66
  6. Step 6: Final answer
    x = 27,011.87

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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.