Home / 31,791.08-47,686.98-9,604.64

Finding the Fourth Proportional to 31,791.08, 47,686.98 and 9,604.64

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Solution

The fourth proportional to 31,791.08, 47,686.98 and 9,604.64 is: 14,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,791.08 : 47,686.98 = 9,604.64 : x
  2. Step 2: Convert to fraction form
    31,791.08/47,686.98 = 9,604.64/x
  3. Step 3: Cross multiply
    31,791.08x = 47,686.98 × 9,604.64
  4. Step 4: Simplify right side
    31,791.08x = 458,016,037.15
  5. Step 5: Solve for x
    x = 458,016,037.15/31,791.08
  6. Step 6: Final answer
    x = 14,407.06

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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.