Home / 39,365.05-59,029.81-11,278.68

Finding the Fourth Proportional to 39,365.05, 59,029.81 and 11,278.68

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Solution

The fourth proportional to 39,365.05, 59,029.81 and 11,278.68 is: 16,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365.05 : 59,029.81 = 11,278.68 : x
  2. Step 2: Convert to fraction form
    39,365.05/59,029.81 = 11,278.68/x
  3. Step 3: Cross multiply
    39,365.05x = 59,029.81 × 11,278.68
  4. Step 4: Simplify right side
    39,365.05x = 665,778,133.48
  5. Step 5: Solve for x
    x = 665,778,133.48/39,365.05
  6. Step 6: Final answer
    x = 16,912.92

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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.