Home / 31,216.98-46,824.38-13,686.96

Finding the Fourth Proportional to 31,216.98, 46,824.38 and 13,686.96

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Solution

The fourth proportional to 31,216.98, 46,824.38 and 13,686.96 is: 20,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,216.98 : 46,824.38 = 13,686.96 : x
  2. Step 2: Convert to fraction form
    31,216.98/46,824.38 = 13,686.96/x
  3. Step 3: Cross multiply
    31,216.98x = 46,824.38 × 13,686.96
  4. Step 4: Simplify right side
    31,216.98x = 640,883,416.08
  5. Step 5: Solve for x
    x = 640,883,416.08/31,216.98
  6. Step 6: Final answer
    x = 20,529.96

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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.