Home / 56,578.20-84,879.54-21,518.52

Finding the Fourth Proportional to 56,578.20, 84,879.54 and 21,518.52

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Solution

The fourth proportional to 56,578.20, 84,879.54 and 21,518.52 is: 32,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,578.20 : 84,879.54 = 21,518.52 : x
  2. Step 2: Convert to fraction form
    56,578.20/84,879.54 = 21,518.52/x
  3. Step 3: Cross multiply
    56,578.20x = 84,879.54 × 21,518.52
  4. Step 4: Simplify right side
    56,578.20x = 1,826,482,079.08
  5. Step 5: Solve for x
    x = 1,826,482,079.08/56,578.20
  6. Step 6: Final answer
    x = 32,282.44

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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.