Home / 31,335.97-43,237.47-18,586.75

Finding the Fourth Proportional to 31,335.97, 43,237.47 and 18,586.75

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Solution

The fourth proportional to 31,335.97, 43,237.47 and 18,586.75 is: 25,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.97 : 43,237.47 = 18,586.75 : x
  2. Step 2: Convert to fraction form
    31,335.97/43,237.47 = 18,586.75/x
  3. Step 3: Cross multiply
    31,335.97x = 43,237.47 × 18,586.75
  4. Step 4: Simplify right side
    31,335.97x = 803,644,045.52
  5. Step 5: Solve for x
    x = 803,644,045.52/31,335.97
  6. Step 6: Final answer
    x = 25,646.06

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Half scale
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Double scale
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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.