Home / 31,365.38-43,281.60-17,932.34

Finding the Fourth Proportional to 31,365.38, 43,281.60 and 17,932.34

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Solution

The fourth proportional to 31,365.38, 43,281.60 and 17,932.34 is: 24,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,365.38 : 43,281.60 = 17,932.34 : x
  2. Step 2: Convert to fraction form
    31,365.38/43,281.60 = 17,932.34/x
  3. Step 3: Cross multiply
    31,365.38x = 43,281.60 × 17,932.34
  4. Step 4: Simplify right side
    31,365.38x = 776,140,366.94
  5. Step 5: Solve for x
    x = 776,140,366.94/31,365.38
  6. Step 6: Final answer
    x = 24,745.13

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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.