Home / 39,157.92-54,040.59-22,162.17

Finding the Fourth Proportional to 39,157.92, 54,040.59 and 22,162.17

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Solution

The fourth proportional to 39,157.92, 54,040.59 and 22,162.17 is: 30,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157.92 : 54,040.59 = 22,162.17 : x
  2. Step 2: Convert to fraction form
    39,157.92/54,040.59 = 22,162.17/x
  3. Step 3: Cross multiply
    39,157.92x = 54,040.59 × 22,162.17
  4. Step 4: Simplify right side
    39,157.92x = 1,197,656,742.48
  5. Step 5: Solve for x
    x = 1,197,656,742.48/39,157.92
  6. Step 6: Final answer
    x = 30,585.30

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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.