Home / 31,814.04-43,907.58-19,236.36

Finding the Fourth Proportional to 31,814.04, 43,907.58 and 19,236.36

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Solution

The fourth proportional to 31,814.04, 43,907.58 and 19,236.36 is: 26,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.04 : 43,907.58 = 19,236.36 : x
  2. Step 2: Convert to fraction form
    31,814.04/43,907.58 = 19,236.36/x
  3. Step 3: Cross multiply
    31,814.04x = 43,907.58 × 19,236.36
  4. Step 4: Simplify right side
    31,814.04x = 844,622,015.61
  5. Step 5: Solve for x
    x = 844,622,015.61/31,814.04
  6. Step 6: Final answer
    x = 26,548.72

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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.