Home / 40,179.64-60,283.92-13,887.04

Finding the Fourth Proportional to 40,179.64, 60,283.92 and 13,887.04

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Solution

The fourth proportional to 40,179.64, 60,283.92 and 13,887.04 is: 20,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,179.64 : 60,283.92 = 13,887.04 : x
  2. Step 2: Convert to fraction form
    40,179.64/60,283.92 = 13,887.04/x
  3. Step 3: Cross multiply
    40,179.64x = 60,283.92 × 13,887.04
  4. Step 4: Simplify right side
    40,179.64x = 837,165,208.40
  5. Step 5: Solve for x
    x = 837,165,208.40/40,179.64
  6. Step 6: Final answer
    x = 20,835.56

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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.