Home / 53,296.18-79,902.09-20,012.53

Finding the Fourth Proportional to 53,296.18, 79,902.09 and 20,012.53

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Solution

The fourth proportional to 53,296.18, 79,902.09 and 20,012.53 is: 30,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,296.18 : 79,902.09 = 20,012.53 : x
  2. Step 2: Convert to fraction form
    53,296.18/79,902.09 = 20,012.53/x
  3. Step 3: Cross multiply
    53,296.18x = 79,902.09 × 20,012.53
  4. Step 4: Simplify right side
    53,296.18x = 1,599,043,172.94
  5. Step 5: Solve for x
    x = 1,599,043,172.94/53,296.18
  6. Step 6: Final answer
    x = 30,002.96

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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.