Home / 31,208.46-46,771.29-13,659.18

Finding the Fourth Proportional to 31,208.46, 46,771.29 and 13,659.18

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Solution

The fourth proportional to 31,208.46, 46,771.29 and 13,659.18 is: 20,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,208.46 : 46,771.29 = 13,659.18 : x
  2. Step 2: Convert to fraction form
    31,208.46/46,771.29 = 13,659.18/x
  3. Step 3: Cross multiply
    31,208.46x = 46,771.29 × 13,659.18
  4. Step 4: Simplify right side
    31,208.46x = 638,857,468.94
  5. Step 5: Solve for x
    x = 638,857,468.94/31,208.46
  6. Step 6: Final answer
    x = 20,470.65

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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.