Home / 31,814.76-47,727.60-10,754.96

Finding the Fourth Proportional to 31,814.76, 47,727.60 and 10,754.96

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Solution

The fourth proportional to 31,814.76, 47,727.60 and 10,754.96 is: 16,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.76 : 47,727.60 = 10,754.96 : x
  2. Step 2: Convert to fraction form
    31,814.76/47,727.60 = 10,754.96/x
  3. Step 3: Cross multiply
    31,814.76x = 47,727.60 × 10,754.96
  4. Step 4: Simplify right side
    31,814.76x = 513,308,428.90
  5. Step 5: Solve for x
    x = 513,308,428.90/31,814.76
  6. Step 6: Final answer
    x = 16,134.29

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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.