Home / 39,435.54-59,161.82-11,355.41

Finding the Fourth Proportional to 39,435.54, 59,161.82 and 11,355.41

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Solution

The fourth proportional to 39,435.54, 59,161.82 and 11,355.41 is: 17,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,435.54 : 59,161.82 = 11,355.41 : x
  2. Step 2: Convert to fraction form
    39,435.54/59,161.82 = 11,355.41/x
  3. Step 3: Cross multiply
    39,435.54x = 59,161.82 × 11,355.41
  4. Step 4: Simplify right side
    39,435.54x = 671,806,369.86
  5. Step 5: Solve for x
    x = 671,806,369.86/39,435.54
  6. Step 6: Final answer
    x = 17,035.56

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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.