Home / 52,940.22-79,420.49-21,353.48

Finding the Fourth Proportional to 52,940.22, 79,420.49 and 21,353.48

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Solution

The fourth proportional to 52,940.22, 79,420.49 and 21,353.48 is: 32,034.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,940.22 : 79,420.49 = 21,353.48 : x
  2. Step 2: Convert to fraction form
    52,940.22/79,420.49 = 21,353.48/x
  3. Step 3: Cross multiply
    52,940.22x = 79,420.49 × 21,353.48
  4. Step 4: Simplify right side
    52,940.22x = 1,695,903,844.81
  5. Step 5: Solve for x
    x = 1,695,903,844.81/52,940.22
  6. Step 6: Final answer
    x = 32,034.32

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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.