Home / 66,203.37-99,267.19-21,818.21

Finding the Fourth Proportional to 66,203.37, 99,267.19 and 21,818.21

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Solution

The fourth proportional to 66,203.37, 99,267.19 and 21,818.21 is: 32,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,203.37 : 99,267.19 = 21,818.21 : x
  2. Step 2: Convert to fraction form
    66,203.37/99,267.19 = 21,818.21/x
  3. Step 3: Cross multiply
    66,203.37x = 99,267.19 × 21,818.21
  4. Step 4: Simplify right side
    66,203.37x = 2,165,831,846.65
  5. Step 5: Solve for x
    x = 2,165,831,846.65/66,203.37
  6. Step 6: Final answer
    x = 32,714.83

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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.