Home / 29,106.39-40,171.65-17,172.66

Finding the Fourth Proportional to 29,106.39, 40,171.65 and 17,172.66

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Solution

The fourth proportional to 29,106.39, 40,171.65 and 17,172.66 is: 23,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,106.39 : 40,171.65 = 17,172.66 : x
  2. Step 2: Convert to fraction form
    29,106.39/40,171.65 = 17,172.66/x
  3. Step 3: Cross multiply
    29,106.39x = 40,171.65 × 17,172.66
  4. Step 4: Simplify right side
    29,106.39x = 689,854,087.09
  5. Step 5: Solve for x
    x = 689,854,087.09/29,106.39
  6. Step 6: Final answer
    x = 23,701.12

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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.