Home / 29,340.36-40,436.82-21,369.96

Finding the Fourth Proportional to 29,340.36, 40,436.82 and 21,369.96

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Solution

The fourth proportional to 29,340.36, 40,436.82 and 21,369.96 is: 29,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,340.36 : 40,436.82 = 21,369.96 : x
  2. Step 2: Convert to fraction form
    29,340.36/40,436.82 = 21,369.96/x
  3. Step 3: Cross multiply
    29,340.36x = 40,436.82 × 21,369.96
  4. Step 4: Simplify right side
    29,340.36x = 864,133,225.93
  5. Step 5: Solve for x
    x = 864,133,225.93/29,340.36
  6. Step 6: Final answer
    x = 29,452.03

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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.