Home / 52,905.96-79,389.24-21,330.48

Finding the Fourth Proportional to 52,905.96, 79,389.24 and 21,330.48

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Solution

The fourth proportional to 52,905.96, 79,389.24 and 21,330.48 is: 32,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,905.96 : 79,389.24 = 21,330.48 : x
  2. Step 2: Convert to fraction form
    52,905.96/79,389.24 = 21,330.48/x
  3. Step 3: Cross multiply
    52,905.96x = 79,389.24 × 21,330.48
  4. Step 4: Simplify right side
    52,905.96x = 1,693,410,596.04
  5. Step 5: Solve for x
    x = 1,693,410,596.04/52,905.96
  6. Step 6: Final answer
    x = 32,007.94

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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.