Home / 29,379.24-40,548.60-21,411.54

Finding the Fourth Proportional to 29,379.24, 40,548.60 and 21,411.54

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Solution

The fourth proportional to 29,379.24, 40,548.60 and 21,411.54 is: 29,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379.24 : 40,548.60 = 21,411.54 : x
  2. Step 2: Convert to fraction form
    29,379.24/40,548.60 = 21,411.54/x
  3. Step 3: Cross multiply
    29,379.24x = 40,548.60 × 21,411.54
  4. Step 4: Simplify right side
    29,379.24x = 868,207,970.84
  5. Step 5: Solve for x
    x = 868,207,970.84/29,379.24
  6. Step 6: Final answer
    x = 29,551.75

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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.