Home / 45,740.82-68,611.23-30,154.80

Finding the Fourth Proportional to 45,740.82, 68,611.23 and 30,154.80

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Solution

The fourth proportional to 45,740.82, 68,611.23 and 30,154.80 is: 45,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,740.82 : 68,611.23 = 30,154.80 : x
  2. Step 2: Convert to fraction form
    45,740.82/68,611.23 = 30,154.80/x
  3. Step 3: Cross multiply
    45,740.82x = 68,611.23 × 30,154.80
  4. Step 4: Simplify right side
    45,740.82x = 2,068,957,918.40
  5. Step 5: Solve for x
    x = 2,068,957,918.40/45,740.82
  6. Step 6: Final answer
    x = 45,232.20

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Similar ratio
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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.