Home / 63,576.45-87,739.65-36,720.09

Finding the Fourth Proportional to 63,576.45, 87,739.65 and 36,720.09

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Solution

The fourth proportional to 63,576.45, 87,739.65 and 36,720.09 is: 50,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,576.45 : 87,739.65 = 36,720.09 : x
  2. Step 2: Convert to fraction form
    63,576.45/87,739.65 = 36,720.09/x
  3. Step 3: Cross multiply
    63,576.45x = 87,739.65 × 36,720.09
  4. Step 4: Simplify right side
    63,576.45x = 3,221,807,844.57
  5. Step 5: Solve for x
    x = 3,221,807,844.57/63,576.45
  6. Step 6: Final answer
    x = 50,676.12

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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.