Home / 39,440.80-59,141.04-11,735.20

Finding the Fourth Proportional to 39,440.80, 59,141.04 and 11,735.20

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Solution

The fourth proportional to 39,440.80, 59,141.04 and 11,735.20 is: 17,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,440.80 : 59,141.04 = 11,735.20 : x
  2. Step 2: Convert to fraction form
    39,440.80/59,141.04 = 11,735.20/x
  3. Step 3: Cross multiply
    39,440.80x = 59,141.04 × 11,735.20
  4. Step 4: Simplify right side
    39,440.80x = 694,031,932.61
  5. Step 5: Solve for x
    x = 694,031,932.61/39,440.80
  6. Step 6: Final answer
    x = 17,596.80

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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.