Home / 33,220.64-49,825.20-12,439.84

Finding the Fourth Proportional to 33,220.64, 49,825.20 and 12,439.84

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Solution

The fourth proportional to 33,220.64, 49,825.20 and 12,439.84 is: 18,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.64 : 49,825.20 = 12,439.84 : x
  2. Step 2: Convert to fraction form
    33,220.64/49,825.20 = 12,439.84/x
  3. Step 3: Cross multiply
    33,220.64x = 49,825.20 × 12,439.84
  4. Step 4: Simplify right side
    33,220.64x = 619,817,515.97
  5. Step 5: Solve for x
    x = 619,817,515.97/33,220.64
  6. Step 6: Final answer
    x = 18,657.60

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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.