Home / 39,372.09-54,331.42-22,374.06

Finding the Fourth Proportional to 39,372.09, 54,331.42 and 22,374.06

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Solution

The fourth proportional to 39,372.09, 54,331.42 and 22,374.06 is: 30,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.09 : 54,331.42 = 22,374.06 : x
  2. Step 2: Convert to fraction form
    39,372.09/54,331.42 = 22,374.06/x
  3. Step 3: Cross multiply
    39,372.09x = 54,331.42 × 22,374.06
  4. Step 4: Simplify right side
    39,372.09x = 1,215,614,450.97
  5. Step 5: Solve for x
    x = 1,215,614,450.97/39,372.09
  6. Step 6: Final answer
    x = 30,875.03

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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.