Home / 39,487.20-59,231.52-11,409.36

Finding the Fourth Proportional to 39,487.20, 59,231.52 and 11,409.36

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Solution

The fourth proportional to 39,487.20, 59,231.52 and 11,409.36 is: 17,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,487.20 : 59,231.52 = 11,409.36 : x
  2. Step 2: Convert to fraction form
    39,487.20/59,231.52 = 11,409.36/x
  3. Step 3: Cross multiply
    39,487.20x = 59,231.52 × 11,409.36
  4. Step 4: Simplify right side
    39,487.20x = 675,793,735.03
  5. Step 5: Solve for x
    x = 675,793,735.03/39,487.20
  6. Step 6: Final answer
    x = 17,114.25

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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.