Home / 31,548.66-43,535.60-18,801.54

Finding the Fourth Proportional to 31,548.66, 43,535.60 and 18,801.54

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Solution

The fourth proportional to 31,548.66, 43,535.60 and 18,801.54 is: 25,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.66 : 43,535.60 = 18,801.54 : x
  2. Step 2: Convert to fraction form
    31,548.66/43,535.60 = 18,801.54/x
  3. Step 3: Cross multiply
    31,548.66x = 43,535.60 × 18,801.54
  4. Step 4: Simplify right side
    31,548.66x = 818,536,324.82
  5. Step 5: Solve for x
    x = 818,536,324.82/31,548.66
  6. Step 6: Final answer
    x = 25,945.20

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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.