Home / 31,226.04-46,792.62-18,731.39

Finding the Fourth Proportional to 31,226.04, 46,792.62 and 18,731.39

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Solution

The fourth proportional to 31,226.04, 46,792.62 and 18,731.39 is: 28,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,226.04 : 46,792.62 = 18,731.39 : x
  2. Step 2: Convert to fraction form
    31,226.04/46,792.62 = 18,731.39/x
  3. Step 3: Cross multiply
    31,226.04x = 46,792.62 × 18,731.39
  4. Step 4: Simplify right side
    31,226.04x = 876,490,580.38
  5. Step 5: Solve for x
    x = 876,490,580.38/31,226.04
  6. Step 6: Final answer
    x = 28,069.22

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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.