Home / 31,750.56-43,817.76-18,324.27

Finding the Fourth Proportional to 31,750.56, 43,817.76 and 18,324.27

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Solution

The fourth proportional to 31,750.56, 43,817.76 and 18,324.27 is: 25,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750.56 : 43,817.76 = 18,324.27 : x
  2. Step 2: Convert to fraction form
    31,750.56/43,817.76 = 18,324.27/x
  3. Step 3: Cross multiply
    31,750.56x = 43,817.76 × 18,324.27
  4. Step 4: Simplify right side
    31,750.56x = 802,928,465.04
  5. Step 5: Solve for x
    x = 802,928,465.04/31,750.56
  6. Step 6: Final answer
    x = 25,288.64

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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.