Home / 37,857.20-56,785.79-10,155.20

Finding the Fourth Proportional to 37,857.20, 56,785.79 and 10,155.20

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Solution

The fourth proportional to 37,857.20, 56,785.79 and 10,155.20 is: 15,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,857.20 : 56,785.79 = 10,155.20 : x
  2. Step 2: Convert to fraction form
    37,857.20/56,785.79 = 10,155.20/x
  3. Step 3: Cross multiply
    37,857.20x = 56,785.79 × 10,155.20
  4. Step 4: Simplify right side
    37,857.20x = 576,670,719.90
  5. Step 5: Solve for x
    x = 576,670,719.90/37,857.20
  6. Step 6: Final answer
    x = 15,232.79

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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.