Home / 39,707.81-54,796.78-22,940.81

Finding the Fourth Proportional to 39,707.81, 54,796.78 and 22,940.81

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Solution

The fourth proportional to 39,707.81, 54,796.78 and 22,940.81 is: 31,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,707.81 : 54,796.78 = 22,940.81 : x
  2. Step 2: Convert to fraction form
    39,707.81/54,796.78 = 22,940.81/x
  3. Step 3: Cross multiply
    39,707.81x = 54,796.78 × 22,940.81
  4. Step 4: Simplify right side
    39,707.81x = 1,257,082,684.26
  5. Step 5: Solve for x
    x = 1,257,082,684.26/39,707.81
  6. Step 6: Final answer
    x = 31,658.32

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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.