Home / 57,022.65-78,684.41-31,525.54

Finding the Fourth Proportional to 57,022.65, 78,684.41 and 31,525.54

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Solution

The fourth proportional to 57,022.65, 78,684.41 and 31,525.54 is: 43,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,022.65 : 78,684.41 = 31,525.54 : x
  2. Step 2: Convert to fraction form
    57,022.65/78,684.41 = 31,525.54/x
  3. Step 3: Cross multiply
    57,022.65x = 78,684.41 × 31,525.54
  4. Step 4: Simplify right side
    57,022.65x = 2,480,568,396.93
  5. Step 5: Solve for x
    x = 2,480,568,396.93/57,022.65
  6. Step 6: Final answer
    x = 43,501.46

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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.