Home / 45,769.20-68,653.80-33,230.40

Finding the Fourth Proportional to 45,769.20, 68,653.80 and 33,230.40

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Solution

The fourth proportional to 45,769.20, 68,653.80 and 33,230.40 is: 49,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,769.20 : 68,653.80 = 33,230.40 : x
  2. Step 2: Convert to fraction form
    45,769.20/68,653.80 = 33,230.40/x
  3. Step 3: Cross multiply
    45,769.20x = 68,653.80 × 33,230.40
  4. Step 4: Simplify right side
    45,769.20x = 2,281,393,235.52
  5. Step 5: Solve for x
    x = 2,281,393,235.52/45,769.20
  6. Step 6: Final answer
    x = 49,845.60

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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.