Home / 49,490.71-74,221.56-13,949.68

Finding the Fourth Proportional to 49,490.71, 74,221.56 and 13,949.68

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Solution

The fourth proportional to 49,490.71, 74,221.56 and 13,949.68 is: 20,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,490.71 : 74,221.56 = 13,949.68 : x
  2. Step 2: Convert to fraction form
    49,490.71/74,221.56 = 13,949.68/x
  3. Step 3: Cross multiply
    49,490.71x = 74,221.56 × 13,949.68
  4. Step 4: Simplify right side
    49,490.71x = 1,035,367,011.10
  5. Step 5: Solve for x
    x = 1,035,367,011.10/49,490.71
  6. Step 6: Final answer
    x = 20,920.43

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1.5x scale

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.