Home / 52,278.66-78,417.99-18,992.52

Finding the Fourth Proportional to 52,278.66, 78,417.99 and 18,992.52

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Solution

The fourth proportional to 52,278.66, 78,417.99 and 18,992.52 is: 28,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278.66 : 78,417.99 = 18,992.52 : x
  2. Step 2: Convert to fraction form
    52,278.66/78,417.99 = 18,992.52/x
  3. Step 3: Cross multiply
    52,278.66x = 78,417.99 × 18,992.52
  4. Step 4: Simplify right side
    52,278.66x = 1,489,355,243.43
  5. Step 5: Solve for x
    x = 1,489,355,243.43/52,278.66
  6. Step 6: Final answer
    x = 28,488.78

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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.