Home / 29,097.80-40,153-17,160.56

Finding the Fourth Proportional to 29,097.80, 40,153 and 17,160.56

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Solution

The fourth proportional to 29,097.80, 40,153 and 17,160.56 is: 23,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,097.80 : 40,153 = 17,160.56 : x
  2. Step 2: Convert to fraction form
    29,097.80/40,153 = 17,160.56/x
  3. Step 3: Cross multiply
    29,097.80x = 40,153 × 17,160.56
  4. Step 4: Simplify right side
    29,097.80x = 689,047,965.68
  5. Step 5: Solve for x
    x = 689,047,965.68/29,097.80
  6. Step 6: Final answer
    x = 23,680.41

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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.