Home / 29,946.72-41,321.04-18,619.20

Finding the Fourth Proportional to 29,946.72, 41,321.04 and 18,619.20

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Solution

The fourth proportional to 29,946.72, 41,321.04 and 18,619.20 is: 25,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,946.72 : 41,321.04 = 18,619.20 : x
  2. Step 2: Convert to fraction form
    29,946.72/41,321.04 = 18,619.20/x
  3. Step 3: Cross multiply
    29,946.72x = 41,321.04 × 18,619.20
  4. Step 4: Simplify right side
    29,946.72x = 769,364,707.97
  5. Step 5: Solve for x
    x = 769,364,707.97/29,946.72
  6. Step 6: Final answer
    x = 25,691.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.