Home / 51,188.88-76,734-26,240.64

Finding the Fourth Proportional to 51,188.88, 76,734 and 26,240.64

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Solution

The fourth proportional to 51,188.88, 76,734 and 26,240.64 is: 39,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188.88 : 76,734 = 26,240.64 : x
  2. Step 2: Convert to fraction form
    51,188.88/76,734 = 26,240.64/x
  3. Step 3: Cross multiply
    51,188.88x = 76,734 × 26,240.64
  4. Step 4: Simplify right side
    51,188.88x = 2,013,549,269.76
  5. Step 5: Solve for x
    x = 2,013,549,269.76/51,188.88
  6. Step 6: Final answer
    x = 39,335.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.