Home / 31,177.36-43,010.76-19,241.20

Finding the Fourth Proportional to 31,177.36, 43,010.76 and 19,241.20

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Solution

The fourth proportional to 31,177.36, 43,010.76 and 19,241.20 is: 26,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.36 : 43,010.76 = 19,241.20 : x
  2. Step 2: Convert to fraction form
    31,177.36/43,010.76 = 19,241.20/x
  3. Step 3: Cross multiply
    31,177.36x = 43,010.76 × 19,241.20
  4. Step 4: Simplify right side
    31,177.36x = 827,578,635.31
  5. Step 5: Solve for x
    x = 827,578,635.31/31,177.36
  6. Step 6: Final answer
    x = 26,544.22

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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.