Home / 31,065.28-46,575.96-9,998.80

Finding the Fourth Proportional to 31,065.28, 46,575.96 and 9,998.80

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Solution

The fourth proportional to 31,065.28, 46,575.96 and 9,998.80 is: 14,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065.28 : 46,575.96 = 9,998.80 : x
  2. Step 2: Convert to fraction form
    31,065.28/46,575.96 = 9,998.80/x
  3. Step 3: Cross multiply
    31,065.28x = 46,575.96 × 9,998.80
  4. Step 4: Simplify right side
    31,065.28x = 465,703,708.85
  5. Step 5: Solve for x
    x = 465,703,708.85/31,065.28
  6. Step 6: Final answer
    x = 14,991.13

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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.