Home / 56,303.44-84,467.20-20,764.86

Finding the Fourth Proportional to 56,303.44, 84,467.20 and 20,764.86

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Solution

The fourth proportional to 56,303.44, 84,467.20 and 20,764.86 is: 31,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,303.44 : 84,467.20 = 20,764.86 : x
  2. Step 2: Convert to fraction form
    56,303.44/84,467.20 = 20,764.86/x
  3. Step 3: Cross multiply
    56,303.44x = 84,467.20 × 20,764.86
  4. Step 4: Simplify right side
    56,303.44x = 1,753,949,582.59
  5. Step 5: Solve for x
    x = 1,753,949,582.59/56,303.44
  6. Step 6: Final answer
    x = 31,151.73

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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.