Home / 31,174.78-43,021.14-17,027.62

Finding the Fourth Proportional to 31,174.78, 43,021.14 and 17,027.62

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Solution

The fourth proportional to 31,174.78, 43,021.14 and 17,027.62 is: 23,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,174.78 : 43,021.14 = 17,027.62 : x
  2. Step 2: Convert to fraction form
    31,174.78/43,021.14 = 17,027.62/x
  3. Step 3: Cross multiply
    31,174.78x = 43,021.14 × 17,027.62
  4. Step 4: Simplify right side
    31,174.78x = 732,547,623.89
  5. Step 5: Solve for x
    x = 732,547,623.89/31,174.78
  6. Step 6: Final answer
    x = 23,498.08

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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.