Home / 49,535.22-68,382.12-31,395

Finding the Fourth Proportional to 49,535.22, 68,382.12 and 31,395

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Solution

The fourth proportional to 49,535.22, 68,382.12 and 31,395 is: 43,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,535.22 : 68,382.12 = 31,395 : x
  2. Step 2: Convert to fraction form
    49,535.22/68,382.12 = 31,395/x
  3. Step 3: Cross multiply
    49,535.22x = 68,382.12 × 31,395
  4. Step 4: Simplify right side
    49,535.22x = 2,146,856,657.40
  5. Step 5: Solve for x
    x = 2,146,856,657.40/49,535.22
  6. Step 6: Final answer
    x = 43,340.00

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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.