Home / 33,115.60-49,682.20-14,387.60

Finding the Fourth Proportional to 33,115.60, 49,682.20 and 14,387.60

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Solution

The fourth proportional to 33,115.60, 49,682.20 and 14,387.60 is: 21,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.60 : 49,682.20 = 14,387.60 : x
  2. Step 2: Convert to fraction form
    33,115.60/49,682.20 = 14,387.60/x
  3. Step 3: Cross multiply
    33,115.60x = 49,682.20 × 14,387.60
  4. Step 4: Simplify right side
    33,115.60x = 714,807,620.72
  5. Step 5: Solve for x
    x = 714,807,620.72/33,115.60
  6. Step 6: Final answer
    x = 21,585.22

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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.