Home / 31,837.70-47,723.67-10,770.81

Finding the Fourth Proportional to 31,837.70, 47,723.67 and 10,770.81

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Solution

The fourth proportional to 31,837.70, 47,723.67 and 10,770.81 is: 16,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.70 : 47,723.67 = 10,770.81 : x
  2. Step 2: Convert to fraction form
    31,837.70/47,723.67 = 10,770.81/x
  3. Step 3: Cross multiply
    31,837.70x = 47,723.67 × 10,770.81
  4. Step 4: Simplify right side
    31,837.70x = 514,022,582.07
  5. Step 5: Solve for x
    x = 514,022,582.07/31,837.70
  6. Step 6: Final answer
    x = 16,145.09

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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.