Home / 31,895.76-47,845.32-9,709.80

Finding the Fourth Proportional to 31,895.76, 47,845.32 and 9,709.80

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Solution

The fourth proportional to 31,895.76, 47,845.32 and 9,709.80 is: 14,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,895.76 : 47,845.32 = 9,709.80 : x
  2. Step 2: Convert to fraction form
    31,895.76/47,845.32 = 9,709.80/x
  3. Step 3: Cross multiply
    31,895.76x = 47,845.32 × 9,709.80
  4. Step 4: Simplify right side
    31,895.76x = 464,568,488.14
  5. Step 5: Solve for x
    x = 464,568,488.14/31,895.76
  6. Step 6: Final answer
    x = 14,565.21

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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.