Home / 31,178.40-46,767.60-16,391.85

Finding the Fourth Proportional to 31,178.40, 46,767.60 and 16,391.85

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Solution

The fourth proportional to 31,178.40, 46,767.60 and 16,391.85 is: 24,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178.40 : 46,767.60 = 16,391.85 : x
  2. Step 2: Convert to fraction form
    31,178.40/46,767.60 = 16,391.85/x
  3. Step 3: Cross multiply
    31,178.40x = 46,767.60 × 16,391.85
  4. Step 4: Simplify right side
    31,178.40x = 766,607,484.06
  5. Step 5: Solve for x
    x = 766,607,484.06/31,178.40
  6. Step 6: Final answer
    x = 24,587.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.