Home / 31,712.20-43,721.34-27,283.52

Finding the Fourth Proportional to 31,712.20, 43,721.34 and 27,283.52

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Solution

The fourth proportional to 31,712.20, 43,721.34 and 27,283.52 is: 37,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.20 : 43,721.34 = 27,283.52 : x
  2. Step 2: Convert to fraction form
    31,712.20/43,721.34 = 27,283.52/x
  3. Step 3: Cross multiply
    31,712.20x = 43,721.34 × 27,283.52
  4. Step 4: Simplify right side
    31,712.20x = 1,192,872,054.32
  5. Step 5: Solve for x
    x = 1,192,872,054.32/31,712.20
  6. Step 6: Final answer
    x = 37,615.56

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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.