Home / 39,171.24-54,052.74-22,403.88

Finding the Fourth Proportional to 39,171.24, 54,052.74 and 22,403.88

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Solution

The fourth proportional to 39,171.24, 54,052.74 and 22,403.88 is: 30,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.24 : 54,052.74 = 22,403.88 : x
  2. Step 2: Convert to fraction form
    39,171.24/54,052.74 = 22,403.88/x
  3. Step 3: Cross multiply
    39,171.24x = 54,052.74 × 22,403.88
  4. Step 4: Simplify right side
    39,171.24x = 1,210,991,100.63
  5. Step 5: Solve for x
    x = 1,210,991,100.63/39,171.24
  6. Step 6: Final answer
    x = 30,915.31

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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.