Home / 39,778.47-59,662.85-16,401.87

Finding the Fourth Proportional to 39,778.47, 59,662.85 and 16,401.87

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Solution

The fourth proportional to 39,778.47, 59,662.85 and 16,401.87 is: 24,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.47 : 59,662.85 = 16,401.87 : x
  2. Step 2: Convert to fraction form
    39,778.47/59,662.85 = 16,401.87/x
  3. Step 3: Cross multiply
    39,778.47x = 59,662.85 × 16,401.87
  4. Step 4: Simplify right side
    39,778.47x = 978,582,227.52
  5. Step 5: Solve for x
    x = 978,582,227.52/39,778.47
  6. Step 6: Final answer
    x = 24,600.80

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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.