Home / 29,401.72-40,560.84-22,218.64

Finding the Fourth Proportional to 29,401.72, 40,560.84 and 22,218.64

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Solution

The fourth proportional to 29,401.72, 40,560.84 and 22,218.64 is: 30,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,401.72 : 40,560.84 = 22,218.64 : x
  2. Step 2: Convert to fraction form
    29,401.72/40,560.84 = 22,218.64/x
  3. Step 3: Cross multiply
    29,401.72x = 40,560.84 × 22,218.64
  4. Step 4: Simplify right side
    29,401.72x = 901,206,702.06
  5. Step 5: Solve for x
    x = 901,206,702.06/29,401.72
  6. Step 6: Final answer
    x = 30,651.50

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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.