Home / 37,203.12-51,340.08-20,436

Finding the Fourth Proportional to 37,203.12, 51,340.08 and 20,436

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Solution

The fourth proportional to 37,203.12, 51,340.08 and 20,436 is: 28,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,203.12 : 51,340.08 = 20,436 : x
  2. Step 2: Convert to fraction form
    37,203.12/51,340.08 = 20,436/x
  3. Step 3: Cross multiply
    37,203.12x = 51,340.08 × 20,436
  4. Step 4: Simplify right side
    37,203.12x = 1,049,185,874.88
  5. Step 5: Solve for x
    x = 1,049,185,874.88/37,203.12
  6. Step 6: Final answer
    x = 28,201.56

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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.