Home / 52,771.80-79,145.28-15,321.99

Finding the Fourth Proportional to 52,771.80, 79,145.28 and 15,321.99

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Solution

The fourth proportional to 52,771.80, 79,145.28 and 15,321.99 is: 22,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,771.80 : 79,145.28 = 15,321.99 : x
  2. Step 2: Convert to fraction form
    52,771.80/79,145.28 = 15,321.99/x
  3. Step 3: Cross multiply
    52,771.80x = 79,145.28 × 15,321.99
  4. Step 4: Simplify right side
    52,771.80x = 1,212,663,188.71
  5. Step 5: Solve for x
    x = 1,212,663,188.71/52,771.80
  6. Step 6: Final answer
    x = 22,979.38

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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.