Home / 31,835.54-47,755.34-10,777.70

Finding the Fourth Proportional to 31,835.54, 47,755.34 and 10,777.70

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Solution

The fourth proportional to 31,835.54, 47,755.34 and 10,777.70 is: 16,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.54 : 47,755.34 = 10,777.70 : x
  2. Step 2: Convert to fraction form
    31,835.54/47,755.34 = 10,777.70/x
  3. Step 3: Cross multiply
    31,835.54x = 47,755.34 × 10,777.70
  4. Step 4: Simplify right side
    31,835.54x = 514,692,727.92
  5. Step 5: Solve for x
    x = 514,692,727.92/31,835.54
  6. Step 6: Final answer
    x = 16,167.24

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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.