Home / 36,180.64-49,929.78-20,264.98

Finding the Fourth Proportional to 36,180.64, 49,929.78 and 20,264.98

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Solution

The fourth proportional to 36,180.64, 49,929.78 and 20,264.98 is: 27,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,180.64 : 49,929.78 = 20,264.98 : x
  2. Step 2: Convert to fraction form
    36,180.64/49,929.78 = 20,264.98/x
  3. Step 3: Cross multiply
    36,180.64x = 49,929.78 × 20,264.98
  4. Step 4: Simplify right side
    36,180.64x = 1,011,825,993.10
  5. Step 5: Solve for x
    x = 1,011,825,993.10/36,180.64
  6. Step 6: Final answer
    x = 27,965.95

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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.