Home / 39,412.54-54,391.08-22,190.84

Finding the Fourth Proportional to 39,412.54, 54,391.08 and 22,190.84

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Solution

The fourth proportional to 39,412.54, 54,391.08 and 22,190.84 is: 30,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,412.54 : 54,391.08 = 22,190.84 : x
  2. Step 2: Convert to fraction form
    39,412.54/54,391.08 = 22,190.84/x
  3. Step 3: Cross multiply
    39,412.54x = 54,391.08 × 22,190.84
  4. Step 4: Simplify right side
    39,412.54x = 1,206,983,870.35
  5. Step 5: Solve for x
    x = 1,206,983,870.35/39,412.54
  6. Step 6: Final answer
    x = 30,624.36

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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.