Home / 36,008.72-49,686.36-20,092.40

Finding the Fourth Proportional to 36,008.72, 49,686.36 and 20,092.40

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Solution

The fourth proportional to 36,008.72, 49,686.36 and 20,092.40 is: 27,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,008.72 : 49,686.36 = 20,092.40 : x
  2. Step 2: Convert to fraction form
    36,008.72/49,686.36 = 20,092.40/x
  3. Step 3: Cross multiply
    36,008.72x = 49,686.36 × 20,092.40
  4. Step 4: Simplify right side
    36,008.72x = 998,318,219.66
  5. Step 5: Solve for x
    x = 998,318,219.66/36,008.72
  6. Step 6: Final answer
    x = 27,724.35

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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.