Home / 51,568.82-77,353.28-14,129.20

Finding the Fourth Proportional to 51,568.82, 77,353.28 and 14,129.20

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Solution

The fourth proportional to 51,568.82, 77,353.28 and 14,129.20 is: 21,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,568.82 : 77,353.28 = 14,129.20 : x
  2. Step 2: Convert to fraction form
    51,568.82/77,353.28 = 14,129.20/x
  3. Step 3: Cross multiply
    51,568.82x = 77,353.28 × 14,129.20
  4. Step 4: Simplify right side
    51,568.82x = 1,092,939,963.78
  5. Step 5: Solve for x
    x = 1,092,939,963.78/51,568.82
  6. Step 6: Final answer
    x = 21,193.81

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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.