Home / 31,371.98-47,057.96-9,185.35

Finding the Fourth Proportional to 31,371.98, 47,057.96 and 9,185.35

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Solution

The fourth proportional to 31,371.98, 47,057.96 and 9,185.35 is: 13,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.98 : 47,057.96 = 9,185.35 : x
  2. Step 2: Convert to fraction form
    31,371.98/47,057.96 = 9,185.35/x
  3. Step 3: Cross multiply
    31,371.98x = 47,057.96 × 9,185.35
  4. Step 4: Simplify right side
    31,371.98x = 432,243,826.44
  5. Step 5: Solve for x
    x = 432,243,826.44/31,371.98
  6. Step 6: Final answer
    x = 13,778.02

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1.5x scale

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.