Home / 33,275.27-45,919.26-18,934.79

Finding the Fourth Proportional to 33,275.27, 45,919.26 and 18,934.79

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Solution

The fourth proportional to 33,275.27, 45,919.26 and 18,934.79 is: 26,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,275.27 : 45,919.26 = 18,934.79 : x
  2. Step 2: Convert to fraction form
    33,275.27/45,919.26 = 18,934.79/x
  3. Step 3: Cross multiply
    33,275.27x = 45,919.26 × 18,934.79
  4. Step 4: Simplify right side
    33,275.27x = 869,471,545.06
  5. Step 5: Solve for x
    x = 869,471,545.06/33,275.27
  6. Step 6: Final answer
    x = 26,129.66

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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.