Home / 29,308.97-40,445.84-16,561.88

Finding the Fourth Proportional to 29,308.97, 40,445.84 and 16,561.88

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Solution

The fourth proportional to 29,308.97, 40,445.84 and 16,561.88 is: 22,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,308.97 : 40,445.84 = 16,561.88 : x
  2. Step 2: Convert to fraction form
    29,308.97/40,445.84 = 16,561.88/x
  3. Step 3: Cross multiply
    29,308.97x = 40,445.84 × 16,561.88
  4. Step 4: Simplify right side
    29,308.97x = 669,859,139.43
  5. Step 5: Solve for x
    x = 669,859,139.43/29,308.97
  6. Step 6: Final answer
    x = 22,855.09

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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.