Home / 31,928.40-44,061.20-18,507.44

Finding the Fourth Proportional to 31,928.40, 44,061.20 and 18,507.44

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Solution

The fourth proportional to 31,928.40, 44,061.20 and 18,507.44 is: 25,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,928.40 : 44,061.20 = 18,507.44 : x
  2. Step 2: Convert to fraction form
    31,928.40/44,061.20 = 18,507.44/x
  3. Step 3: Cross multiply
    31,928.40x = 44,061.20 × 18,507.44
  4. Step 4: Simplify right side
    31,928.40x = 815,460,061.60
  5. Step 5: Solve for x
    x = 815,460,061.60/31,928.40
  6. Step 6: Final answer
    x = 25,540.27

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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.