Home / 54,786.14-75,614.13-31,812.38

Finding the Fourth Proportional to 54,786.14, 75,614.13 and 31,812.38

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Solution

The fourth proportional to 54,786.14, 75,614.13 and 31,812.38 is: 43,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,786.14 : 75,614.13 = 31,812.38 : x
  2. Step 2: Convert to fraction form
    54,786.14/75,614.13 = 31,812.38/x
  3. Step 3: Cross multiply
    54,786.14x = 75,614.13 × 31,812.38
  4. Step 4: Simplify right side
    54,786.14x = 2,405,465,058.86
  5. Step 5: Solve for x
    x = 2,405,465,058.86/54,786.14
  6. Step 6: Final answer
    x = 43,906.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.