Home / 51,432.44-77,154.82-18,145.62

Finding the Fourth Proportional to 51,432.44, 77,154.82 and 18,145.62

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Solution

The fourth proportional to 51,432.44, 77,154.82 and 18,145.62 is: 27,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,432.44 : 77,154.82 = 18,145.62 : x
  2. Step 2: Convert to fraction form
    51,432.44/77,154.82 = 18,145.62/x
  3. Step 3: Cross multiply
    51,432.44x = 77,154.82 × 18,145.62
  4. Step 4: Simplify right side
    51,432.44x = 1,400,021,999.52
  5. Step 5: Solve for x
    x = 1,400,021,999.52/51,432.44
  6. Step 6: Final answer
    x = 27,220.61

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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.