Home / 39,406.86-54,382.08-22,410.66

Finding the Fourth Proportional to 39,406.86, 54,382.08 and 22,410.66

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Solution

The fourth proportional to 39,406.86, 54,382.08 and 22,410.66 is: 30,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,406.86 : 54,382.08 = 22,410.66 : x
  2. Step 2: Convert to fraction form
    39,406.86/54,382.08 = 22,410.66/x
  3. Step 3: Cross multiply
    39,406.86x = 54,382.08 × 22,410.66
  4. Step 4: Simplify right side
    39,406.86x = 1,218,738,304.97
  5. Step 5: Solve for x
    x = 1,218,738,304.97/39,406.86
  6. Step 6: Final answer
    x = 30,927.06

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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.