Home / 31,186.19-43,036.44-17,038.73

Finding the Fourth Proportional to 31,186.19, 43,036.44 and 17,038.73

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Solution

The fourth proportional to 31,186.19, 43,036.44 and 17,038.73 is: 23,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.19 : 43,036.44 = 17,038.73 : x
  2. Step 2: Convert to fraction form
    31,186.19/43,036.44 = 17,038.73/x
  3. Step 3: Cross multiply
    31,186.19x = 43,036.44 × 17,038.73
  4. Step 4: Simplify right side
    31,186.19x = 733,286,281.32
  5. Step 5: Solve for x
    x = 733,286,281.32/31,186.19
  6. Step 6: Final answer
    x = 23,513.17

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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.