Home / 39,110.96-53,971.68-23,186

Finding the Fourth Proportional to 39,110.96, 53,971.68 and 23,186

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Solution

The fourth proportional to 39,110.96, 53,971.68 and 23,186 is: 31,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,110.96 : 53,971.68 = 23,186 : x
  2. Step 2: Convert to fraction form
    39,110.96/53,971.68 = 23,186/x
  3. Step 3: Cross multiply
    39,110.96x = 53,971.68 × 23,186
  4. Step 4: Simplify right side
    39,110.96x = 1,251,387,372.48
  5. Step 5: Solve for x
    x = 1,251,387,372.48/39,110.96
  6. Step 6: Final answer
    x = 31,995.82

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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.