Home / 31,033.68-42,786.45-22,548.12

Finding the Fourth Proportional to 31,033.68, 42,786.45 and 22,548.12

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Solution

The fourth proportional to 31,033.68, 42,786.45 and 22,548.12 is: 31,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,033.68 : 42,786.45 = 22,548.12 : x
  2. Step 2: Convert to fraction form
    31,033.68/42,786.45 = 22,548.12/x
  3. Step 3: Cross multiply
    31,033.68x = 42,786.45 × 22,548.12
  4. Step 4: Simplify right side
    31,033.68x = 964,754,008.97
  5. Step 5: Solve for x
    x = 964,754,008.97/31,033.68
  6. Step 6: Final answer
    x = 31,087.32

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Double scale
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Similar ratio
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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.