Home / 49,965.60-68,920.81-38,002.71

Finding the Fourth Proportional to 49,965.60, 68,920.81 and 38,002.71

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Solution

The fourth proportional to 49,965.60, 68,920.81 and 38,002.71 is: 52,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,965.60 : 68,920.81 = 38,002.71 : x
  2. Step 2: Convert to fraction form
    49,965.60/68,920.81 = 38,002.71/x
  3. Step 3: Cross multiply
    49,965.60x = 68,920.81 × 38,002.71
  4. Step 4: Simplify right side
    49,965.60x = 2,619,177,555.40
  5. Step 5: Solve for x
    x = 2,619,177,555.40/49,965.60
  6. Step 6: Final answer
    x = 52,419.62

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1.5x scale

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.