Home / 57,908.28-87,007.62-36,857.40

Finding the Fourth Proportional to 57,908.28, 87,007.62 and 36,857.40

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Solution

The fourth proportional to 57,908.28, 87,007.62 and 36,857.40 is: 55,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,908.28 : 87,007.62 = 36,857.40 : x
  2. Step 2: Convert to fraction form
    57,908.28/87,007.62 = 36,857.40/x
  3. Step 3: Cross multiply
    57,908.28x = 87,007.62 × 36,857.40
  4. Step 4: Simplify right side
    57,908.28x = 3,206,874,653.39
  5. Step 5: Solve for x
    x = 3,206,874,653.39/57,908.28
  6. Step 6: Final answer
    x = 55,378.52

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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.