Home / 45,099.57-67,655.84-13,937.25

Finding the Fourth Proportional to 45,099.57, 67,655.84 and 13,937.25

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Solution

The fourth proportional to 45,099.57, 67,655.84 and 13,937.25 is: 20,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,099.57 : 67,655.84 = 13,937.25 : x
  2. Step 2: Convert to fraction form
    45,099.57/67,655.84 = 13,937.25/x
  3. Step 3: Cross multiply
    45,099.57x = 67,655.84 × 13,937.25
  4. Step 4: Simplify right side
    45,099.57x = 942,936,286.35
  5. Step 5: Solve for x
    x = 942,936,286.35/45,099.57
  6. Step 6: Final answer
    x = 20,907.88

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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.