Home / 29,965.83-41,340.24-21,019.18

Finding the Fourth Proportional to 29,965.83, 41,340.24 and 21,019.18

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Solution

The fourth proportional to 29,965.83, 41,340.24 and 21,019.18 is: 28,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,965.83 : 41,340.24 = 21,019.18 : x
  2. Step 2: Convert to fraction form
    29,965.83/41,340.24 = 21,019.18/x
  3. Step 3: Cross multiply
    29,965.83x = 41,340.24 × 21,019.18
  4. Step 4: Simplify right side
    29,965.83x = 868,937,919.97
  5. Step 5: Solve for x
    x = 868,937,919.97/29,965.83
  6. Step 6: Final answer
    x = 28,997.62

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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.