Home / 55,434.86-76,497.36-31,559.30

Finding the Fourth Proportional to 55,434.86, 76,497.36 and 31,559.30

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Solution

The fourth proportional to 55,434.86, 76,497.36 and 31,559.30 is: 43,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,434.86 : 76,497.36 = 31,559.30 : x
  2. Step 2: Convert to fraction form
    55,434.86/76,497.36 = 31,559.30/x
  3. Step 3: Cross multiply
    55,434.86x = 76,497.36 × 31,559.30
  4. Step 4: Simplify right side
    55,434.86x = 2,414,203,133.45
  5. Step 5: Solve for x
    x = 2,414,203,133.45/55,434.86
  6. Step 6: Final answer
    x = 43,550.27

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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.