Home / 39,210.56-54,110.66-22,217.92

Finding the Fourth Proportional to 39,210.56, 54,110.66 and 22,217.92

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Solution

The fourth proportional to 39,210.56, 54,110.66 and 22,217.92 is: 30,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210.56 : 54,110.66 = 22,217.92 : x
  2. Step 2: Convert to fraction form
    39,210.56/54,110.66 = 22,217.92/x
  3. Step 3: Cross multiply
    39,210.56x = 54,110.66 × 22,217.92
  4. Step 4: Simplify right side
    39,210.56x = 1,202,226,315.03
  5. Step 5: Solve for x
    x = 1,202,226,315.03/39,210.56
  6. Step 6: Final answer
    x = 30,660.78

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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.