Home / 39,411.36-59,142.96-18,623.52

Finding the Fourth Proportional to 39,411.36, 59,142.96 and 18,623.52

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Solution

The fourth proportional to 39,411.36, 59,142.96 and 18,623.52 is: 27,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,411.36 : 59,142.96 = 18,623.52 : x
  2. Step 2: Convert to fraction form
    39,411.36/59,142.96 = 18,623.52/x
  3. Step 3: Cross multiply
    39,411.36x = 59,142.96 × 18,623.52
  4. Step 4: Simplify right side
    39,411.36x = 1,101,450,098.42
  5. Step 5: Solve for x
    x = 1,101,450,098.42/39,411.36
  6. Step 6: Final answer
    x = 27,947.53

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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.