Home / 52,296.66-78,420.30-18,993.24

Finding the Fourth Proportional to 52,296.66, 78,420.30 and 18,993.24

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Solution

The fourth proportional to 52,296.66, 78,420.30 and 18,993.24 is: 28,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,296.66 : 78,420.30 = 18,993.24 : x
  2. Step 2: Convert to fraction form
    52,296.66/78,420.30 = 18,993.24/x
  3. Step 3: Cross multiply
    52,296.66x = 78,420.30 × 18,993.24
  4. Step 4: Simplify right side
    52,296.66x = 1,489,455,578.77
  5. Step 5: Solve for x
    x = 1,489,455,578.77/52,296.66
  6. Step 6: Final answer
    x = 28,480.89

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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.