Home / 55,252.11-76,248-31,378.77

Finding the Fourth Proportional to 55,252.11, 76,248 and 31,378.77

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Solution

The fourth proportional to 55,252.11, 76,248 and 31,378.77 is: 43,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,252.11 : 76,248 = 31,378.77 : x
  2. Step 2: Convert to fraction form
    55,252.11/76,248 = 31,378.77/x
  3. Step 3: Cross multiply
    55,252.11x = 76,248 × 31,378.77
  4. Step 4: Simplify right side
    55,252.11x = 2,392,568,454.96
  5. Step 5: Solve for x
    x = 2,392,568,454.96/55,252.11
  6. Step 6: Final answer
    x = 43,302.75

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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.