Home / 55,274.75-76,279.41-31,402.73

Finding the Fourth Proportional to 55,274.75, 76,279.41 and 31,402.73

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Solution

The fourth proportional to 55,274.75, 76,279.41 and 31,402.73 is: 43,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274.75 : 76,279.41 = 31,402.73 : x
  2. Step 2: Convert to fraction form
    55,274.75/76,279.41 = 31,402.73/x
  3. Step 3: Cross multiply
    55,274.75x = 76,279.41 × 31,402.73
  4. Step 4: Simplify right side
    55,274.75x = 2,395,381,756.06
  5. Step 5: Solve for x
    x = 2,395,381,756.06/55,274.75
  6. Step 6: Final answer
    x = 43,335.92

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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.