Home / 29,392.84-40,561.32-16,816.78

Finding the Fourth Proportional to 29,392.84, 40,561.32 and 16,816.78

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Solution

The fourth proportional to 29,392.84, 40,561.32 and 16,816.78 is: 23,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,392.84 : 40,561.32 = 16,816.78 : x
  2. Step 2: Convert to fraction form
    29,392.84/40,561.32 = 16,816.78/x
  3. Step 3: Cross multiply
    29,392.84x = 40,561.32 × 16,816.78
  4. Step 4: Simplify right side
    29,392.84x = 682,110,794.95
  5. Step 5: Solve for x
    x = 682,110,794.95/29,392.84
  6. Step 6: Final answer
    x = 23,206.70

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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.