Home / 40,040.74-55,258.34-23,047.56

Finding the Fourth Proportional to 40,040.74, 55,258.34 and 23,047.56

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Solution

The fourth proportional to 40,040.74, 55,258.34 and 23,047.56 is: 31,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.74 : 55,258.34 = 23,047.56 : x
  2. Step 2: Convert to fraction form
    40,040.74/55,258.34 = 23,047.56/x
  3. Step 3: Cross multiply
    40,040.74x = 55,258.34 × 23,047.56
  4. Step 4: Simplify right side
    40,040.74x = 1,273,569,906.65
  5. Step 5: Solve for x
    x = 1,273,569,906.65/40,040.74
  6. Step 6: Final answer
    x = 31,806.85

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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.