Home / 31,542.32-47,313.66-9,355.87

Finding the Fourth Proportional to 31,542.32, 47,313.66 and 9,355.87

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Solution

The fourth proportional to 31,542.32, 47,313.66 and 9,355.87 is: 14,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.32 : 47,313.66 = 9,355.87 : x
  2. Step 2: Convert to fraction form
    31,542.32/47,313.66 = 9,355.87/x
  3. Step 3: Cross multiply
    31,542.32x = 47,313.66 × 9,355.87
  4. Step 4: Simplify right side
    31,542.32x = 442,660,215.62
  5. Step 5: Solve for x
    x = 442,660,215.62/31,542.32
  6. Step 6: Final answer
    x = 14,033.85

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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.