Home / 29,817.28-41,156.40-19,747.36

Finding the Fourth Proportional to 29,817.28, 41,156.40 and 19,747.36

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Solution

The fourth proportional to 29,817.28, 41,156.40 and 19,747.36 is: 27,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,817.28 : 41,156.40 = 19,747.36 : x
  2. Step 2: Convert to fraction form
    29,817.28/41,156.40 = 19,747.36/x
  3. Step 3: Cross multiply
    29,817.28x = 41,156.40 × 19,747.36
  4. Step 4: Simplify right side
    29,817.28x = 812,730,247.10
  5. Step 5: Solve for x
    x = 812,730,247.10/29,817.28
  6. Step 6: Final answer
    x = 27,257.02

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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.