Home / 38,512.14-57,709.89-28,605.30

Finding the Fourth Proportional to 38,512.14, 57,709.89 and 28,605.30

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Solution

The fourth proportional to 38,512.14, 57,709.89 and 28,605.30 is: 42,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,512.14 : 57,709.89 = 28,605.30 : x
  2. Step 2: Convert to fraction form
    38,512.14/57,709.89 = 28,605.30/x
  3. Step 3: Cross multiply
    38,512.14x = 57,709.89 × 28,605.30
  4. Step 4: Simplify right side
    38,512.14x = 1,650,808,716.42
  5. Step 5: Solve for x
    x = 1,650,808,716.42/38,512.14
  6. Step 6: Final answer
    x = 42,864.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.