Home / 63,420.64-95,131.88-30,144.10

Finding the Fourth Proportional to 63,420.64, 95,131.88 and 30,144.10

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Solution

The fourth proportional to 63,420.64, 95,131.88 and 30,144.10 is: 45,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.64 : 95,131.88 = 30,144.10 : x
  2. Step 2: Convert to fraction form
    63,420.64/95,131.88 = 30,144.10/x
  3. Step 3: Cross multiply
    63,420.64x = 95,131.88 × 30,144.10
  4. Step 4: Simplify right side
    63,420.64x = 2,867,664,903.91
  5. Step 5: Solve for x
    x = 2,867,664,903.91/63,420.64
  6. Step 6: Final answer
    x = 45,216.59

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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.