Home / 39,957.15-55,141.17-22,053.36

Finding the Fourth Proportional to 39,957.15, 55,141.17 and 22,053.36

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Solution

The fourth proportional to 39,957.15, 55,141.17 and 22,053.36 is: 30,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957.15 : 55,141.17 = 22,053.36 : x
  2. Step 2: Convert to fraction form
    39,957.15/55,141.17 = 22,053.36/x
  3. Step 3: Cross multiply
    39,957.15x = 55,141.17 × 22,053.36
  4. Step 4: Simplify right side
    39,957.15x = 1,216,048,072.83
  5. Step 5: Solve for x
    x = 1,216,048,072.83/39,957.15
  6. Step 6: Final answer
    x = 30,433.80

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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.