Home / 55,327.71-76,351.88-31,454.39

Finding the Fourth Proportional to 55,327.71, 76,351.88 and 31,454.39

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Solution

The fourth proportional to 55,327.71, 76,351.88 and 31,454.39 is: 43,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.71 : 76,351.88 = 31,454.39 : x
  2. Step 2: Convert to fraction form
    55,327.71/76,351.88 = 31,454.39/x
  3. Step 3: Cross multiply
    55,327.71x = 76,351.88 × 31,454.39
  4. Step 4: Simplify right side
    55,327.71x = 2,401,601,810.75
  5. Step 5: Solve for x
    x = 2,401,601,810.75/55,327.71
  6. Step 6: Final answer
    x = 43,406.85

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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.