Home / 31,405.82-47,108.66-8,032.19

Finding the Fourth Proportional to 31,405.82, 47,108.66 and 8,032.19

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Solution

The fourth proportional to 31,405.82, 47,108.66 and 8,032.19 is: 12,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,405.82 : 47,108.66 = 8,032.19 : x
  2. Step 2: Convert to fraction form
    31,405.82/47,108.66 = 8,032.19/x
  3. Step 3: Cross multiply
    31,405.82x = 47,108.66 × 8,032.19
  4. Step 4: Simplify right side
    31,405.82x = 378,385,432.06
  5. Step 5: Solve for x
    x = 378,385,432.06/31,405.82
  6. Step 6: Final answer
    x = 12,048.26

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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.