Home / 31,761.54-47,670.87-16,983.09

Finding the Fourth Proportional to 31,761.54, 47,670.87 and 16,983.09

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Solution

The fourth proportional to 31,761.54, 47,670.87 and 16,983.09 is: 25,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,761.54 : 47,670.87 = 16,983.09 : x
  2. Step 2: Convert to fraction form
    31,761.54/47,670.87 = 16,983.09/x
  3. Step 3: Cross multiply
    31,761.54x = 47,670.87 × 16,983.09
  4. Step 4: Simplify right side
    31,761.54x = 809,598,590.67
  5. Step 5: Solve for x
    x = 809,598,590.67/31,761.54
  6. Step 6: Final answer
    x = 25,489.90

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1.5x scale

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.