Home / 31,197.38-46,796.06-10,420.88

Finding the Fourth Proportional to 31,197.38, 46,796.06 and 10,420.88

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Solution

The fourth proportional to 31,197.38, 46,796.06 and 10,420.88 is: 15,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,197.38 : 46,796.06 = 10,420.88 : x
  2. Step 2: Convert to fraction form
    31,197.38/46,796.06 = 10,420.88/x
  3. Step 3: Cross multiply
    31,197.38x = 46,796.06 × 10,420.88
  4. Step 4: Simplify right side
    31,197.38x = 487,655,917.80
  5. Step 5: Solve for x
    x = 487,655,917.80/31,197.38
  6. Step 6: Final answer
    x = 15,631.31

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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.