Home / 29,558.20-40,767.20-18,948.84

Finding the Fourth Proportional to 29,558.20, 40,767.20 and 18,948.84

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Solution

The fourth proportional to 29,558.20, 40,767.20 and 18,948.84 is: 26,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,558.20 : 40,767.20 = 18,948.84 : x
  2. Step 2: Convert to fraction form
    29,558.20/40,767.20 = 18,948.84/x
  3. Step 3: Cross multiply
    29,558.20x = 40,767.20 × 18,948.84
  4. Step 4: Simplify right side
    29,558.20x = 772,491,150.05
  5. Step 5: Solve for x
    x = 772,491,150.05/29,558.20
  6. Step 6: Final answer
    x = 26,134.58

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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.