Home / 30,177.72-41,650.24-16,753.28

Finding the Fourth Proportional to 30,177.72, 41,650.24 and 16,753.28

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Solution

The fourth proportional to 30,177.72, 41,650.24 and 16,753.28 is: 23,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.72 : 41,650.24 = 16,753.28 : x
  2. Step 2: Convert to fraction form
    30,177.72/41,650.24 = 16,753.28/x
  3. Step 3: Cross multiply
    30,177.72x = 41,650.24 × 16,753.28
  4. Step 4: Simplify right side
    30,177.72x = 697,778,132.79
  5. Step 5: Solve for x
    x = 697,778,132.79/30,177.72
  6. Step 6: Final answer
    x = 23,122.29

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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.