Home / 39,760.94-59,641.44-18,685.52

Finding the Fourth Proportional to 39,760.94, 59,641.44 and 18,685.52

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Solution

The fourth proportional to 39,760.94, 59,641.44 and 18,685.52 is: 28,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,760.94 : 59,641.44 = 18,685.52 : x
  2. Step 2: Convert to fraction form
    39,760.94/59,641.44 = 18,685.52/x
  3. Step 3: Cross multiply
    39,760.94x = 59,641.44 × 18,685.52
  4. Step 4: Simplify right side
    39,760.94x = 1,114,431,175.33
  5. Step 5: Solve for x
    x = 1,114,431,175.33/39,760.94
  6. Step 6: Final answer
    x = 28,028.29

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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.