Home / 55,327.97-76,347.47-31,449.98

Finding the Fourth Proportional to 55,327.97, 76,347.47 and 31,449.98

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Solution

The fourth proportional to 55,327.97, 76,347.47 and 31,449.98 is: 43,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.97 : 76,347.47 = 31,449.98 : x
  2. Step 2: Convert to fraction form
    55,327.97/76,347.47 = 31,449.98/x
  3. Step 3: Cross multiply
    55,327.97x = 76,347.47 × 31,449.98
  4. Step 4: Simplify right side
    55,327.97x = 2,401,126,101.44
  5. Step 5: Solve for x
    x = 2,401,126,101.44/55,327.97
  6. Step 6: Final answer
    x = 43,398.06

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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.