Home / 29,661.78-40,915.46-19,590.24

Finding the Fourth Proportional to 29,661.78, 40,915.46 and 19,590.24

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Solution

The fourth proportional to 29,661.78, 40,915.46 and 19,590.24 is: 27,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,661.78 : 40,915.46 = 19,590.24 : x
  2. Step 2: Convert to fraction form
    29,661.78/40,915.46 = 19,590.24/x
  3. Step 3: Cross multiply
    29,661.78x = 40,915.46 × 19,590.24
  4. Step 4: Simplify right side
    29,661.78x = 801,543,681.11
  5. Step 5: Solve for x
    x = 801,543,681.11/29,661.78
  6. Step 6: Final answer
    x = 27,022.78

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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.