Home / 51,160.24-76,750.88-21,578.16

Finding the Fourth Proportional to 51,160.24, 76,750.88 and 21,578.16

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Solution

The fourth proportional to 51,160.24, 76,750.88 and 21,578.16 is: 32,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,160.24 : 76,750.88 = 21,578.16 : x
  2. Step 2: Convert to fraction form
    51,160.24/76,750.88 = 21,578.16/x
  3. Step 3: Cross multiply
    51,160.24x = 76,750.88 × 21,578.16
  4. Step 4: Simplify right side
    51,160.24x = 1,656,142,768.78
  5. Step 5: Solve for x
    x = 1,656,142,768.78/51,160.24
  6. Step 6: Final answer
    x = 32,371.68

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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.