Home / 45,817.20-68,725.80-22,431.60

Finding the Fourth Proportional to 45,817.20, 68,725.80 and 22,431.60

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Solution

The fourth proportional to 45,817.20, 68,725.80 and 22,431.60 is: 33,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,817.20 : 68,725.80 = 22,431.60 : x
  2. Step 2: Convert to fraction form
    45,817.20/68,725.80 = 22,431.60/x
  3. Step 3: Cross multiply
    45,817.20x = 68,725.80 × 22,431.60
  4. Step 4: Simplify right side
    45,817.20x = 1,541,629,655.28
  5. Step 5: Solve for x
    x = 1,541,629,655.28/45,817.20
  6. Step 6: Final answer
    x = 33,647.40

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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.