Home / 63,421.45-95,143.10-21,305.56

Finding the Fourth Proportional to 63,421.45, 95,143.10 and 21,305.56

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Solution

The fourth proportional to 63,421.45, 95,143.10 and 21,305.56 is: 31,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.45 : 95,143.10 = 21,305.56 : x
  2. Step 2: Convert to fraction form
    63,421.45/95,143.10 = 21,305.56/x
  3. Step 3: Cross multiply
    63,421.45x = 95,143.10 × 21,305.56
  4. Step 4: Simplify right side
    63,421.45x = 2,027,077,025.64
  5. Step 5: Solve for x
    x = 2,027,077,025.64/63,421.45
  6. Step 6: Final answer
    x = 31,962.01

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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.