Home / 45,549.60-68,331.57-12,270.96

Finding the Fourth Proportional to 45,549.60, 68,331.57 and 12,270.96

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Solution

The fourth proportional to 45,549.60, 68,331.57 and 12,270.96 is: 18,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,549.60 : 68,331.57 = 12,270.96 : x
  2. Step 2: Convert to fraction form
    45,549.60/68,331.57 = 12,270.96/x
  3. Step 3: Cross multiply
    45,549.60x = 68,331.57 × 12,270.96
  4. Step 4: Simplify right side
    45,549.60x = 838,493,962.21
  5. Step 5: Solve for x
    x = 838,493,962.21/45,549.60
  6. Step 6: Final answer
    x = 18,408.37

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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.