Home / 29,192.28-40,298.76-19,121.15

Finding the Fourth Proportional to 29,192.28, 40,298.76 and 19,121.15

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Solution

The fourth proportional to 29,192.28, 40,298.76 and 19,121.15 is: 26,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,192.28 : 40,298.76 = 19,121.15 : x
  2. Step 2: Convert to fraction form
    29,192.28/40,298.76 = 19,121.15/x
  3. Step 3: Cross multiply
    29,192.28x = 40,298.76 × 19,121.15
  4. Step 4: Simplify right side
    29,192.28x = 770,558,433.28
  5. Step 5: Solve for x
    x = 770,558,433.28/29,192.28
  6. Step 6: Final answer
    x = 26,395.97

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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.