Home / 33,288.11-45,931.50-18,947.09

Finding the Fourth Proportional to 33,288.11, 45,931.50 and 18,947.09

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Solution

The fourth proportional to 33,288.11, 45,931.50 and 18,947.09 is: 26,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,288.11 : 45,931.50 = 18,947.09 : x
  2. Step 2: Convert to fraction form
    33,288.11/45,931.50 = 18,947.09/x
  3. Step 3: Cross multiply
    33,288.11x = 45,931.50 × 18,947.09
  4. Step 4: Simplify right side
    33,288.11x = 870,268,034.68
  5. Step 5: Solve for x
    x = 870,268,034.68/33,288.11
  6. Step 6: Final answer
    x = 26,143.51

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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.