Home / 34,418.60-51,561.10-20,152.60

Finding the Fourth Proportional to 34,418.60, 51,561.10 and 20,152.60

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Solution

The fourth proportional to 34,418.60, 51,561.10 and 20,152.60 is: 30,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,418.60 : 51,561.10 = 20,152.60 : x
  2. Step 2: Convert to fraction form
    34,418.60/51,561.10 = 20,152.60/x
  3. Step 3: Cross multiply
    34,418.60x = 51,561.10 × 20,152.60
  4. Step 4: Simplify right side
    34,418.60x = 1,039,090,223.86
  5. Step 5: Solve for x
    x = 1,039,090,223.86/34,418.60
  6. Step 6: Final answer
    x = 30,189.79

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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.