Home / 45,318.23-68,000.37-20,353.17

Finding the Fourth Proportional to 45,318.23, 68,000.37 and 20,353.17

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Solution

The fourth proportional to 45,318.23, 68,000.37 and 20,353.17 is: 30,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318.23 : 68,000.37 = 20,353.17 : x
  2. Step 2: Convert to fraction form
    45,318.23/68,000.37 = 20,353.17/x
  3. Step 3: Cross multiply
    45,318.23x = 68,000.37 × 20,353.17
  4. Step 4: Simplify right side
    45,318.23x = 1,384,023,269.35
  5. Step 5: Solve for x
    x = 1,384,023,269.35/45,318.23
  6. Step 6: Final answer
    x = 30,540.10

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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.