Home / 39,687.68-54,767.20-23,780.96

Finding the Fourth Proportional to 39,687.68, 54,767.20 and 23,780.96

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Solution

The fourth proportional to 39,687.68, 54,767.20 and 23,780.96 is: 32,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,687.68 : 54,767.20 = 23,780.96 : x
  2. Step 2: Convert to fraction form
    39,687.68/54,767.20 = 23,780.96/x
  3. Step 3: Cross multiply
    39,687.68x = 54,767.20 × 23,780.96
  4. Step 4: Simplify right side
    39,687.68x = 1,302,416,592.51
  5. Step 5: Solve for x
    x = 1,302,416,592.51/39,687.68
  6. Step 6: Final answer
    x = 32,816.65

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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.