Home / 29,103.75-40,161.29-17,164.35

Finding the Fourth Proportional to 29,103.75, 40,161.29 and 17,164.35

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Solution

The fourth proportional to 29,103.75, 40,161.29 and 17,164.35 is: 23,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,103.75 : 40,161.29 = 17,164.35 : x
  2. Step 2: Convert to fraction form
    29,103.75/40,161.29 = 17,164.35/x
  3. Step 3: Cross multiply
    29,103.75x = 40,161.29 × 17,164.35
  4. Step 4: Simplify right side
    29,103.75x = 689,342,352.19
  5. Step 5: Solve for x
    x = 689,342,352.19/29,103.75
  6. Step 6: Final answer
    x = 23,685.69

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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.