Home / 36,929.61-55,395.18-11,969.60

Finding the Fourth Proportional to 36,929.61, 55,395.18 and 11,969.60

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Solution

The fourth proportional to 36,929.61, 55,395.18 and 11,969.60 is: 17,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,929.61 : 55,395.18 = 11,969.60 : x
  2. Step 2: Convert to fraction form
    36,929.61/55,395.18 = 11,969.60/x
  3. Step 3: Cross multiply
    36,929.61x = 55,395.18 × 11,969.60
  4. Step 4: Simplify right side
    36,929.61x = 663,057,869.55
  5. Step 5: Solve for x
    x = 663,057,869.55/36,929.61
  6. Step 6: Final answer
    x = 17,954.64

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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.