Home / 31,816.75-47,713.13-25,561.39

Finding the Fourth Proportional to 31,816.75, 47,713.13 and 25,561.39

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Solution

The fourth proportional to 31,816.75, 47,713.13 and 25,561.39 is: 38,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.75 : 47,713.13 = 25,561.39 : x
  2. Step 2: Convert to fraction form
    31,816.75/47,713.13 = 25,561.39/x
  3. Step 3: Cross multiply
    31,816.75x = 47,713.13 × 25,561.39
  4. Step 4: Simplify right side
    31,816.75x = 1,219,613,796.24
  5. Step 5: Solve for x
    x = 1,219,613,796.24/31,816.75
  6. Step 6: Final answer
    x = 38,332.44

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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.