Home / 33,065.40-49,601.37-10,869.78

Finding the Fourth Proportional to 33,065.40, 49,601.37 and 10,869.78

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Solution

The fourth proportional to 33,065.40, 49,601.37 and 10,869.78 is: 16,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,065.40 : 49,601.37 = 10,869.78 : x
  2. Step 2: Convert to fraction form
    33,065.40/49,601.37 = 10,869.78/x
  3. Step 3: Cross multiply
    33,065.40x = 49,601.37 × 10,869.78
  4. Step 4: Simplify right side
    33,065.40x = 539,155,979.60
  5. Step 5: Solve for x
    x = 539,155,979.60/33,065.40
  6. Step 6: Final answer
    x = 16,305.74

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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.