Home / 52,007.74-77,940.90-21,997.02

Finding the Fourth Proportional to 52,007.74, 77,940.90 and 21,997.02

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Solution

The fourth proportional to 52,007.74, 77,940.90 and 21,997.02 is: 32,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007.74 : 77,940.90 = 21,997.02 : x
  2. Step 2: Convert to fraction form
    52,007.74/77,940.90 = 21,997.02/x
  3. Step 3: Cross multiply
    52,007.74x = 77,940.90 × 21,997.02
  4. Step 4: Simplify right side
    52,007.74x = 1,714,467,536.12
  5. Step 5: Solve for x
    x = 1,714,467,536.12/52,007.74
  6. Step 6: Final answer
    x = 32,965.62

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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.