Home / 51,148.76-76,723.34-17,868.69

Finding the Fourth Proportional to 51,148.76, 76,723.34 and 17,868.69

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Solution

The fourth proportional to 51,148.76, 76,723.34 and 17,868.69 is: 26,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,148.76 : 76,723.34 = 17,868.69 : x
  2. Step 2: Convert to fraction form
    51,148.76/76,723.34 = 17,868.69/x
  3. Step 3: Cross multiply
    51,148.76x = 76,723.34 × 17,868.69
  4. Step 4: Simplify right side
    51,148.76x = 1,370,945,488.88
  5. Step 5: Solve for x
    x = 1,370,945,488.88/51,148.76
  6. Step 6: Final answer
    x = 26,803.11

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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.