Home / 52,094.92-78,145.98-20,930.20

Finding the Fourth Proportional to 52,094.92, 78,145.98 and 20,930.20

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Solution

The fourth proportional to 52,094.92, 78,145.98 and 20,930.20 is: 31,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,094.92 : 78,145.98 = 20,930.20 : x
  2. Step 2: Convert to fraction form
    52,094.92/78,145.98 = 20,930.20/x
  3. Step 3: Cross multiply
    52,094.92x = 78,145.98 × 20,930.20
  4. Step 4: Simplify right side
    52,094.92x = 1,635,610,990.60
  5. Step 5: Solve for x
    x = 1,635,610,990.60/52,094.92
  6. Step 6: Final answer
    x = 31,396.75

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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.