Home / 29,117.78-40,207.74-27,623.09

Finding the Fourth Proportional to 29,117.78, 40,207.74 and 27,623.09

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Solution

The fourth proportional to 29,117.78, 40,207.74 and 27,623.09 is: 38,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117.78 : 40,207.74 = 27,623.09 : x
  2. Step 2: Convert to fraction form
    29,117.78/40,207.74 = 27,623.09/x
  3. Step 3: Cross multiply
    29,117.78x = 40,207.74 × 27,623.09
  4. Step 4: Simplify right side
    29,117.78x = 1,110,662,173.03
  5. Step 5: Solve for x
    x = 1,110,662,173.03/29,117.78
  6. Step 6: Final answer
    x = 38,143.78

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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.