Home / 29,651.44-40,862.46-21,253.36

Finding the Fourth Proportional to 29,651.44, 40,862.46 and 21,253.36

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Solution

The fourth proportional to 29,651.44, 40,862.46 and 21,253.36 is: 29,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,651.44 : 40,862.46 = 21,253.36 : x
  2. Step 2: Convert to fraction form
    29,651.44/40,862.46 = 21,253.36/x
  3. Step 3: Cross multiply
    29,651.44x = 40,862.46 × 21,253.36
  4. Step 4: Simplify right side
    29,651.44x = 868,464,572.87
  5. Step 5: Solve for x
    x = 868,464,572.87/29,651.44
  6. Step 6: Final answer
    x = 29,289.12

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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.