Home / 53,540.10-80,264.88-33,775.20

Finding the Fourth Proportional to 53,540.10, 80,264.88 and 33,775.20

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Solution

The fourth proportional to 53,540.10, 80,264.88 and 33,775.20 is: 50,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,540.10 : 80,264.88 = 33,775.20 : x
  2. Step 2: Convert to fraction form
    53,540.10/80,264.88 = 33,775.20/x
  3. Step 3: Cross multiply
    53,540.10x = 80,264.88 × 33,775.20
  4. Step 4: Simplify right side
    53,540.10x = 2,710,962,374.98
  5. Step 5: Solve for x
    x = 2,710,962,374.98/53,540.10
  6. Step 6: Final answer
    x = 50,634.24

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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.