Home / 63,720.18-87,933.96-35,425.89

Finding the Fourth Proportional to 63,720.18, 87,933.96 and 35,425.89

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Solution

The fourth proportional to 63,720.18, 87,933.96 and 35,425.89 is: 48,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,720.18 : 87,933.96 = 35,425.89 : x
  2. Step 2: Convert to fraction form
    63,720.18/87,933.96 = 35,425.89/x
  3. Step 3: Cross multiply
    63,720.18x = 87,933.96 × 35,425.89
  4. Step 4: Simplify right side
    63,720.18x = 3,115,138,794.22
  5. Step 5: Solve for x
    x = 3,115,138,794.22/63,720.18
  6. Step 6: Final answer
    x = 48,887.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.