Home / 29,447.07-40,616.39-19,372.29

Finding the Fourth Proportional to 29,447.07, 40,616.39 and 19,372.29

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Solution

The fourth proportional to 29,447.07, 40,616.39 and 19,372.29 is: 26,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,447.07 : 40,616.39 = 19,372.29 : x
  2. Step 2: Convert to fraction form
    29,447.07/40,616.39 = 19,372.29/x
  3. Step 3: Cross multiply
    29,447.07x = 40,616.39 × 19,372.29
  4. Step 4: Simplify right side
    29,447.07x = 786,832,388.97
  5. Step 5: Solve for x
    x = 786,832,388.97/29,447.07
  6. Step 6: Final answer
    x = 26,720.23

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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.