Home / 31,160.13-46,740.27-12,441.69

Finding the Fourth Proportional to 31,160.13, 46,740.27 and 12,441.69

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Solution

The fourth proportional to 31,160.13, 46,740.27 and 12,441.69 is: 18,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.13 : 46,740.27 = 12,441.69 : x
  2. Step 2: Convert to fraction form
    31,160.13/46,740.27 = 12,441.69/x
  3. Step 3: Cross multiply
    31,160.13x = 46,740.27 × 12,441.69
  4. Step 4: Simplify right side
    31,160.13x = 581,527,949.86
  5. Step 5: Solve for x
    x = 581,527,949.86/31,160.13
  6. Step 6: Final answer
    x = 18,662.56

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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.