Home / 39,621.39-59,418.34-15,921.90

Finding the Fourth Proportional to 39,621.39, 59,418.34 and 15,921.90

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Solution

The fourth proportional to 39,621.39, 59,418.34 and 15,921.90 is: 23,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,621.39 : 59,418.34 = 15,921.90 : x
  2. Step 2: Convert to fraction form
    39,621.39/59,418.34 = 15,921.90/x
  3. Step 3: Cross multiply
    39,621.39x = 59,418.34 × 15,921.90
  4. Step 4: Simplify right side
    39,621.39x = 946,052,867.65
  5. Step 5: Solve for x
    x = 946,052,867.65/39,621.39
  6. Step 6: Final answer
    x = 23,877.33

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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.