Home / 103,049.80-154,582.24-31,963.44

Finding the Fourth Proportional to 103,049.80, 154,582.24 and 31,963.44

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Solution

The fourth proportional to 103,049.80, 154,582.24 and 31,963.44 is: 47,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,049.80 : 154,582.24 = 31,963.44 : x
  2. Step 2: Convert to fraction form
    103,049.80/154,582.24 = 31,963.44/x
  3. Step 3: Cross multiply
    103,049.80x = 154,582.24 × 31,963.44
  4. Step 4: Simplify right side
    103,049.80x = 4,940,980,153.31
  5. Step 5: Solve for x
    x = 4,940,980,153.31/103,049.80
  6. Step 6: Final answer
    x = 47,947.50

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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.