Home / 29,561.29-40,791.23-16,990.09

Finding the Fourth Proportional to 29,561.29, 40,791.23 and 16,990.09

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Solution

The fourth proportional to 29,561.29, 40,791.23 and 16,990.09 is: 23,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,561.29 : 40,791.23 = 16,990.09 : x
  2. Step 2: Convert to fraction form
    29,561.29/40,791.23 = 16,990.09/x
  3. Step 3: Cross multiply
    29,561.29x = 40,791.23 × 16,990.09
  4. Step 4: Simplify right side
    29,561.29x = 693,046,668.91
  5. Step 5: Solve for x
    x = 693,046,668.91/29,561.29
  6. Step 6: Final answer
    x = 23,444.40

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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.