Home / 34,830.63-48,067.29-20,491.56

Finding the Fourth Proportional to 34,830.63, 48,067.29 and 20,491.56

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Solution

The fourth proportional to 34,830.63, 48,067.29 and 20,491.56 is: 28,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,830.63 : 48,067.29 = 20,491.56 : x
  2. Step 2: Convert to fraction form
    34,830.63/48,067.29 = 20,491.56/x
  3. Step 3: Cross multiply
    34,830.63x = 48,067.29 × 20,491.56
  4. Step 4: Simplify right side
    34,830.63x = 984,973,757.07
  5. Step 5: Solve for x
    x = 984,973,757.07/34,830.63
  6. Step 6: Final answer
    x = 28,278.95

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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.