Home / 31,475.39-47,179.82-10,410.02

Finding the Fourth Proportional to 31,475.39, 47,179.82 and 10,410.02

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Solution

The fourth proportional to 31,475.39, 47,179.82 and 10,410.02 is: 15,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.39 : 47,179.82 = 10,410.02 : x
  2. Step 2: Convert to fraction form
    31,475.39/47,179.82 = 10,410.02/x
  3. Step 3: Cross multiply
    31,475.39x = 47,179.82 × 10,410.02
  4. Step 4: Simplify right side
    31,475.39x = 491,142,778.29
  5. Step 5: Solve for x
    x = 491,142,778.29/31,475.39
  6. Step 6: Final answer
    x = 15,604.03

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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.