Home / 31,065.68-46,605.78-8,879.36

Finding the Fourth Proportional to 31,065.68, 46,605.78 and 8,879.36

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Solution

The fourth proportional to 31,065.68, 46,605.78 and 8,879.36 is: 13,321.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065.68 : 46,605.78 = 8,879.36 : x
  2. Step 2: Convert to fraction form
    31,065.68/46,605.78 = 8,879.36/x
  3. Step 3: Cross multiply
    31,065.68x = 46,605.78 × 8,879.36
  4. Step 4: Simplify right side
    31,065.68x = 413,829,498.70
  5. Step 5: Solve for x
    x = 413,829,498.70/31,065.68
  6. Step 6: Final answer
    x = 13,321.12

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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.