Home / 49,717.32-74,595.42-18,555

Finding the Fourth Proportional to 49,717.32, 74,595.42 and 18,555

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Solution

The fourth proportional to 49,717.32, 74,595.42 and 18,555 is: 27,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,717.32 : 74,595.42 = 18,555 : x
  2. Step 2: Convert to fraction form
    49,717.32/74,595.42 = 18,555/x
  3. Step 3: Cross multiply
    49,717.32x = 74,595.42 × 18,555
  4. Step 4: Simplify right side
    49,717.32x = 1,384,118,018.10
  5. Step 5: Solve for x
    x = 1,384,118,018.10/49,717.32
  6. Step 6: Final answer
    x = 27,839.76

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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.