Home / 39,629.36-59,434.50-11,541.80

Finding the Fourth Proportional to 39,629.36, 59,434.50 and 11,541.80

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Solution

The fourth proportional to 39,629.36, 59,434.50 and 11,541.80 is: 17,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,629.36 : 59,434.50 = 11,541.80 : x
  2. Step 2: Convert to fraction form
    39,629.36/59,434.50 = 11,541.80/x
  3. Step 3: Cross multiply
    39,629.36x = 59,434.50 × 11,541.80
  4. Step 4: Simplify right side
    39,629.36x = 685,981,112.10
  5. Step 5: Solve for x
    x = 685,981,112.10/39,629.36
  6. Step 6: Final answer
    x = 17,309.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.