Home / 55,076.33-76,002.22-31,208.87

Finding the Fourth Proportional to 55,076.33, 76,002.22 and 31,208.87

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Solution

The fourth proportional to 55,076.33, 76,002.22 and 31,208.87 is: 43,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,076.33 : 76,002.22 = 31,208.87 : x
  2. Step 2: Convert to fraction form
    55,076.33/76,002.22 = 31,208.87/x
  3. Step 3: Cross multiply
    55,076.33x = 76,002.22 × 31,208.87
  4. Step 4: Simplify right side
    55,076.33x = 2,371,943,403.69
  5. Step 5: Solve for x
    x = 2,371,943,403.69/55,076.33
  6. Step 6: Final answer
    x = 43,066.48

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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.