Home / 32,679.92-45,085.20-19,229.84

Finding the Fourth Proportional to 32,679.92, 45,085.20 and 19,229.84

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Solution

The fourth proportional to 32,679.92, 45,085.20 and 19,229.84 is: 26,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,679.92 : 45,085.20 = 19,229.84 : x
  2. Step 2: Convert to fraction form
    32,679.92/45,085.20 = 19,229.84/x
  3. Step 3: Cross multiply
    32,679.92x = 45,085.20 × 19,229.84
  4. Step 4: Simplify right side
    32,679.92x = 866,981,182.37
  5. Step 5: Solve for x
    x = 866,981,182.37/32,679.92
  6. Step 6: Final answer
    x = 26,529.48

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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.