Home / 31,037-46,538.18-18,391.92

Finding the Fourth Proportional to 31,037, 46,538.18 and 18,391.92

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Solution

The fourth proportional to 31,037, 46,538.18 and 18,391.92 is: 27,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,037 : 46,538.18 = 18,391.92 : x
  2. Step 2: Convert to fraction form
    31,037/46,538.18 = 18,391.92/x
  3. Step 3: Cross multiply
    31,037x = 46,538.18 × 18,391.92
  4. Step 4: Simplify right side
    31,037x = 855,926,483.51
  5. Step 5: Solve for x
    x = 855,926,483.51/31,037
  6. Step 6: Final answer
    x = 27,577.62

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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.