Home / 39,869.92-54,969.33-32,673.78

Finding the Fourth Proportional to 39,869.92, 54,969.33 and 32,673.78

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Solution

The fourth proportional to 39,869.92, 54,969.33 and 32,673.78 is: 45,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,869.92 : 54,969.33 = 32,673.78 : x
  2. Step 2: Convert to fraction form
    39,869.92/54,969.33 = 32,673.78/x
  3. Step 3: Cross multiply
    39,869.92x = 54,969.33 × 32,673.78
  4. Step 4: Simplify right side
    39,869.92x = 1,796,055,917.69
  5. Step 5: Solve for x
    x = 1,796,055,917.69/39,869.92
  6. Step 6: Final answer
    x = 45,047.89

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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.