Home / 30,255.72-41,747.56-17,506.72

Finding the Fourth Proportional to 30,255.72, 41,747.56 and 17,506.72

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Solution

The fourth proportional to 30,255.72, 41,747.56 and 17,506.72 is: 24,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.72 : 41,747.56 = 17,506.72 : x
  2. Step 2: Convert to fraction form
    30,255.72/41,747.56 = 17,506.72/x
  3. Step 3: Cross multiply
    30,255.72x = 41,747.56 × 17,506.72
  4. Step 4: Simplify right side
    30,255.72x = 730,862,843.60
  5. Step 5: Solve for x
    x = 730,862,843.60/30,255.72
  6. Step 6: Final answer
    x = 24,156.19

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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.