Home / 29,191.81-40,252.66-19,743.97

Finding the Fourth Proportional to 29,191.81, 40,252.66 and 19,743.97

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Solution

The fourth proportional to 29,191.81, 40,252.66 and 19,743.97 is: 27,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191.81 : 40,252.66 = 19,743.97 : x
  2. Step 2: Convert to fraction form
    29,191.81/40,252.66 = 19,743.97/x
  3. Step 3: Cross multiply
    29,191.81x = 40,252.66 × 19,743.97
  4. Step 4: Simplify right side
    29,191.81x = 794,747,311.46
  5. Step 5: Solve for x
    x = 794,747,311.46/29,191.81
  6. Step 6: Final answer
    x = 27,225.01

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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.