Home / 45,439.00-68,158.54-21,740.98

Finding the Fourth Proportional to 45,439.00, 68,158.54 and 21,740.98

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Solution

The fourth proportional to 45,439.00, 68,158.54 and 21,740.98 is: 32,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.00 : 68,158.54 = 21,740.98 : x
  2. Step 2: Convert to fraction form
    45,439.00/68,158.54 = 21,740.98/x
  3. Step 3: Cross multiply
    45,439.00x = 68,158.54 × 21,740.98
  4. Step 4: Simplify right side
    45,439.00x = 1,481,833,570.10
  5. Step 5: Solve for x
    x = 1,481,833,570.10/45,439.00
  6. Step 6: Final answer
    x = 32,611.49

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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.