Home / 34,118.76-51,168.42-21,619.92

Finding the Fourth Proportional to 34,118.76, 51,168.42 and 21,619.92

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Solution

The fourth proportional to 34,118.76, 51,168.42 and 21,619.92 is: 32,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,118.76 : 51,168.42 = 21,619.92 : x
  2. Step 2: Convert to fraction form
    34,118.76/51,168.42 = 21,619.92/x
  3. Step 3: Cross multiply
    34,118.76x = 51,168.42 × 21,619.92
  4. Step 4: Simplify right side
    34,118.76x = 1,106,257,146.93
  5. Step 5: Solve for x
    x = 1,106,257,146.93/34,118.76
  6. Step 6: Final answer
    x = 32,423.72

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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.