Home / 45,841.20-68,761.80-19,548.60

Finding the Fourth Proportional to 45,841.20, 68,761.80 and 19,548.60

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Solution

The fourth proportional to 45,841.20, 68,761.80 and 19,548.60 is: 29,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,841.20 : 68,761.80 = 19,548.60 : x
  2. Step 2: Convert to fraction form
    45,841.20/68,761.80 = 19,548.60/x
  3. Step 3: Cross multiply
    45,841.20x = 68,761.80 × 19,548.60
  4. Step 4: Simplify right side
    45,841.20x = 1,344,196,923.48
  5. Step 5: Solve for x
    x = 1,344,196,923.48/45,841.20
  6. Step 6: Final answer
    x = 29,322.90

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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.