Home / 29,963.42-41,342.14-18,318.70

Finding the Fourth Proportional to 29,963.42, 41,342.14 and 18,318.70

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Solution

The fourth proportional to 29,963.42, 41,342.14 and 18,318.70 is: 25,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,963.42 : 41,342.14 = 18,318.70 : x
  2. Step 2: Convert to fraction form
    29,963.42/41,342.14 = 18,318.70/x
  3. Step 3: Cross multiply
    29,963.42x = 41,342.14 × 18,318.70
  4. Step 4: Simplify right side
    29,963.42x = 757,334,260.02
  5. Step 5: Solve for x
    x = 757,334,260.02/29,963.42
  6. Step 6: Final answer
    x = 25,275.29

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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.