Home / 52,122.64-71,929.37-28,249.31

Finding the Fourth Proportional to 52,122.64, 71,929.37 and 28,249.31

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Solution

The fourth proportional to 52,122.64, 71,929.37 and 28,249.31 is: 38,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,122.64 : 71,929.37 = 28,249.31 : x
  2. Step 2: Convert to fraction form
    52,122.64/71,929.37 = 28,249.31/x
  3. Step 3: Cross multiply
    52,122.64x = 71,929.37 × 28,249.31
  4. Step 4: Simplify right side
    52,122.64x = 2,031,954,758.18
  5. Step 5: Solve for x
    x = 2,031,954,758.18/52,122.64
  6. Step 6: Final answer
    x = 38,984.11

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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.