Home / 31,486.28-46,982.73-28,176.62

Finding the Fourth Proportional to 31,486.28, 46,982.73 and 28,176.62

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Solution

The fourth proportional to 31,486.28, 46,982.73 and 28,176.62 is: 42,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.28 : 46,982.73 = 28,176.62 : x
  2. Step 2: Convert to fraction form
    31,486.28/46,982.73 = 28,176.62/x
  3. Step 3: Cross multiply
    31,486.28x = 46,982.73 × 28,176.62
  4. Step 4: Simplify right side
    31,486.28x = 1,323,814,294.86
  5. Step 5: Solve for x
    x = 1,323,814,294.86/31,486.28
  6. Step 6: Final answer
    x = 42,044.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.