Home / 31,836.72-43,788.60-25,535.28

Finding the Fourth Proportional to 31,836.72, 43,788.60 and 25,535.28

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Solution

The fourth proportional to 31,836.72, 43,788.60 and 25,535.28 is: 35,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.72 : 43,788.60 = 25,535.28 : x
  2. Step 2: Convert to fraction form
    31,836.72/43,788.60 = 25,535.28/x
  3. Step 3: Cross multiply
    31,836.72x = 43,788.60 × 25,535.28
  4. Step 4: Simplify right side
    31,836.72x = 1,118,154,161.81
  5. Step 5: Solve for x
    x = 1,118,154,161.81/31,836.72
  6. Step 6: Final answer
    x = 35,121.53

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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.