Home / 51,768.18-77,600.03-20,158.47

Finding the Fourth Proportional to 51,768.18, 77,600.03 and 20,158.47

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Solution

The fourth proportional to 51,768.18, 77,600.03 and 20,158.47 is: 30,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,768.18 : 77,600.03 = 20,158.47 : x
  2. Step 2: Convert to fraction form
    51,768.18/77,600.03 = 20,158.47/x
  3. Step 3: Cross multiply
    51,768.18x = 77,600.03 × 20,158.47
  4. Step 4: Simplify right side
    51,768.18x = 1,564,297,775.96
  5. Step 5: Solve for x
    x = 1,564,297,775.96/51,768.18
  6. Step 6: Final answer
    x = 30,217.36

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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.