Home / 52,811.10-79,163.01-17,721.90

Finding the Fourth Proportional to 52,811.10, 79,163.01 and 17,721.90

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Solution

The fourth proportional to 52,811.10, 79,163.01 and 17,721.90 is: 26,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,811.10 : 79,163.01 = 17,721.90 : x
  2. Step 2: Convert to fraction form
    52,811.10/79,163.01 = 17,721.90/x
  3. Step 3: Cross multiply
    52,811.10x = 79,163.01 × 17,721.90
  4. Step 4: Simplify right side
    52,811.10x = 1,402,918,946.92
  5. Step 5: Solve for x
    x = 1,402,918,946.92/52,811.10
  6. Step 6: Final answer
    x = 26,564.85

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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.