Home / 29,105.88-40,166.16-16,530.63

Finding the Fourth Proportional to 29,105.88, 40,166.16 and 16,530.63

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Solution

The fourth proportional to 29,105.88, 40,166.16 and 16,530.63 is: 22,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.88 : 40,166.16 = 16,530.63 : x
  2. Step 2: Convert to fraction form
    29,105.88/40,166.16 = 16,530.63/x
  3. Step 3: Cross multiply
    29,105.88x = 40,166.16 × 16,530.63
  4. Step 4: Simplify right side
    29,105.88x = 663,971,728.65
  5. Step 5: Solve for x
    x = 663,971,728.65/29,105.88
  6. Step 6: Final answer
    x = 22,812.29

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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.