Home / 39,470.66-54,473.21-21,568.33

Finding the Fourth Proportional to 39,470.66, 54,473.21 and 21,568.33

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Solution

The fourth proportional to 39,470.66, 54,473.21 and 21,568.33 is: 29,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.66 : 54,473.21 = 21,568.33 : x
  2. Step 2: Convert to fraction form
    39,470.66/54,473.21 = 21,568.33/x
  3. Step 3: Cross multiply
    39,470.66x = 54,473.21 × 21,568.33
  4. Step 4: Simplify right side
    39,470.66x = 1,174,895,904.16
  5. Step 5: Solve for x
    x = 1,174,895,904.16/39,470.66
  6. Step 6: Final answer
    x = 29,766.31

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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.