Home / 51,188.38-76,800.80-26,240.18

Finding the Fourth Proportional to 51,188.38, 76,800.80 and 26,240.18

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Solution

The fourth proportional to 51,188.38, 76,800.80 and 26,240.18 is: 39,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188.38 : 76,800.80 = 26,240.18 : x
  2. Step 2: Convert to fraction form
    51,188.38/76,800.80 = 26,240.18/x
  3. Step 3: Cross multiply
    51,188.38x = 76,800.80 × 26,240.18
  4. Step 4: Simplify right side
    51,188.38x = 2,015,266,497.74
  5. Step 5: Solve for x
    x = 2,015,266,497.74/51,188.38
  6. Step 6: Final answer
    x = 39,369.61

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1.5x scale

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.