Home / 36,615.08-54,791.40-31,701.68

Finding the Fourth Proportional to 36,615.08, 54,791.40 and 31,701.68

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Solution

The fourth proportional to 36,615.08, 54,791.40 and 31,701.68 is: 47,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,615.08 : 54,791.40 = 31,701.68 : x
  2. Step 2: Convert to fraction form
    36,615.08/54,791.40 = 31,701.68/x
  3. Step 3: Cross multiply
    36,615.08x = 54,791.40 × 31,701.68
  4. Step 4: Simplify right side
    36,615.08x = 1,736,979,429.55
  5. Step 5: Solve for x
    x = 1,736,979,429.55/36,615.08
  6. Step 6: Final answer
    x = 47,438.91

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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.