Home / 55,614.36-76,761.55-31,754.87

Finding the Fourth Proportional to 55,614.36, 76,761.55 and 31,754.87

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Solution

The fourth proportional to 55,614.36, 76,761.55 and 31,754.87 is: 43,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,614.36 : 76,761.55 = 31,754.87 : x
  2. Step 2: Convert to fraction form
    55,614.36/76,761.55 = 31,754.87/x
  3. Step 3: Cross multiply
    55,614.36x = 76,761.55 × 31,754.87
  4. Step 4: Simplify right side
    55,614.36x = 2,437,553,041.25
  5. Step 5: Solve for x
    x = 2,437,553,041.25/55,614.36
  6. Step 6: Final answer
    x = 43,829.56

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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.