Home / 31,448.61-43,398.21-17,301.48

Finding the Fourth Proportional to 31,448.61, 43,398.21 and 17,301.48

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Solution

The fourth proportional to 31,448.61, 43,398.21 and 17,301.48 is: 23,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.61 : 43,398.21 = 17,301.48 : x
  2. Step 2: Convert to fraction form
    31,448.61/43,398.21 = 17,301.48/x
  3. Step 3: Cross multiply
    31,448.61x = 43,398.21 × 17,301.48
  4. Step 4: Simplify right side
    31,448.61x = 750,853,262.35
  5. Step 5: Solve for x
    x = 750,853,262.35/31,448.61
  6. Step 6: Final answer
    x = 23,875.56

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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.