Home / 52,122.78-71,929.53-28,249.38

Finding the Fourth Proportional to 52,122.78, 71,929.53 and 28,249.38

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Solution

The fourth proportional to 52,122.78, 71,929.53 and 28,249.38 is: 38,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,122.78 : 71,929.53 = 28,249.38 : x
  2. Step 2: Convert to fraction form
    52,122.78/71,929.53 = 28,249.38/x
  3. Step 3: Cross multiply
    52,122.78x = 71,929.53 × 28,249.38
  4. Step 4: Simplify right side
    52,122.78x = 2,031,964,626.19
  5. Step 5: Solve for x
    x = 2,031,964,626.19/52,122.78
  6. Step 6: Final answer
    x = 38,984.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.