Home / 51,133.91-76,719.32-17,858.88

Finding the Fourth Proportional to 51,133.91, 76,719.32 and 17,858.88

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Solution

The fourth proportional to 51,133.91, 76,719.32 and 17,858.88 is: 26,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,133.91 : 76,719.32 = 17,858.88 : x
  2. Step 2: Convert to fraction form
    51,133.91/76,719.32 = 17,858.88/x
  3. Step 3: Cross multiply
    51,133.91x = 76,719.32 × 17,858.88
  4. Step 4: Simplify right side
    51,133.91x = 1,370,121,040.27
  5. Step 5: Solve for x
    x = 1,370,121,040.27/51,133.91
  6. Step 6: Final answer
    x = 26,794.77

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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.