Home / 39,409.68-59,115.54-11,328.60

Finding the Fourth Proportional to 39,409.68, 59,115.54 and 11,328.60

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Solution

The fourth proportional to 39,409.68, 59,115.54 and 11,328.60 is: 16,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.68 : 59,115.54 = 11,328.60 : x
  2. Step 2: Convert to fraction form
    39,409.68/59,115.54 = 11,328.60/x
  3. Step 3: Cross multiply
    39,409.68x = 59,115.54 × 11,328.60
  4. Step 4: Simplify right side
    39,409.68x = 669,696,306.44
  5. Step 5: Solve for x
    x = 669,696,306.44/39,409.68
  6. Step 6: Final answer
    x = 16,993.19

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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.