Home / 29,659.79-40,940.97-18,338.03

Finding the Fourth Proportional to 29,659.79, 40,940.97 and 18,338.03

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Solution

The fourth proportional to 29,659.79, 40,940.97 and 18,338.03 is: 25,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,659.79 : 40,940.97 = 18,338.03 : x
  2. Step 2: Convert to fraction form
    29,659.79/40,940.97 = 18,338.03/x
  3. Step 3: Cross multiply
    29,659.79x = 40,940.97 × 18,338.03
  4. Step 4: Simplify right side
    29,659.79x = 750,776,736.09
  5. Step 5: Solve for x
    x = 750,776,736.09/29,659.79
  6. Step 6: Final answer
    x = 25,312.95

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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.