Home / 66,784.20-100,241.10-33,541.80

Finding the Fourth Proportional to 66,784.20, 100,241.10 and 33,541.80

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Solution

The fourth proportional to 66,784.20, 100,241.10 and 33,541.80 is: 50,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,784.20 : 100,241.10 = 33,541.80 : x
  2. Step 2: Convert to fraction form
    66,784.20/100,241.10 = 33,541.80/x
  3. Step 3: Cross multiply
    66,784.20x = 100,241.10 × 33,541.80
  4. Step 4: Simplify right side
    66,784.20x = 3,362,266,927.98
  5. Step 5: Solve for x
    x = 3,362,266,927.98/66,784.20
  6. Step 6: Final answer
    x = 50,345.25

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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.