Home / 39,707.10-54,791.77-23,791.14

Finding the Fourth Proportional to 39,707.10, 54,791.77 and 23,791.14

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Solution

The fourth proportional to 39,707.10, 54,791.77 and 23,791.14 is: 32,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,707.10 : 54,791.77 = 23,791.14 : x
  2. Step 2: Convert to fraction form
    39,707.10/54,791.77 = 23,791.14/x
  3. Step 3: Cross multiply
    39,707.10x = 54,791.77 × 23,791.14
  4. Step 4: Simplify right side
    39,707.10x = 1,303,558,670.92
  5. Step 5: Solve for x
    x = 1,303,558,670.92/39,707.10
  6. Step 6: Final answer
    x = 32,829.36

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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.