Home / 33,133.20-49,699.80-9,759.60

Finding the Fourth Proportional to 33,133.20, 49,699.80 and 9,759.60

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Solution

The fourth proportional to 33,133.20, 49,699.80 and 9,759.60 is: 14,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133.20 : 49,699.80 = 9,759.60 : x
  2. Step 2: Convert to fraction form
    33,133.20/49,699.80 = 9,759.60/x
  3. Step 3: Cross multiply
    33,133.20x = 49,699.80 × 9,759.60
  4. Step 4: Simplify right side
    33,133.20x = 485,050,168.08
  5. Step 5: Solve for x
    x = 485,050,168.08/33,133.20
  6. Step 6: Final answer
    x = 14,639.40

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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.