Home / 51,134.28-76,719.90-17,859.24

Finding the Fourth Proportional to 51,134.28, 76,719.90 and 17,859.24

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Solution

The fourth proportional to 51,134.28, 76,719.90 and 17,859.24 is: 26,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,134.28 : 76,719.90 = 17,859.24 : x
  2. Step 2: Convert to fraction form
    51,134.28/76,719.90 = 17,859.24/x
  3. Step 3: Cross multiply
    51,134.28x = 76,719.90 × 17,859.24
  4. Step 4: Simplify right side
    51,134.28x = 1,370,159,106.88
  5. Step 5: Solve for x
    x = 1,370,159,106.88/51,134.28
  6. Step 6: Final answer
    x = 26,795.31

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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.