Home / 36,607.92-50,518.40-20,691.84

Finding the Fourth Proportional to 36,607.92, 50,518.40 and 20,691.84

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Solution

The fourth proportional to 36,607.92, 50,518.40 and 20,691.84 is: 28,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,607.92 : 50,518.40 = 20,691.84 : x
  2. Step 2: Convert to fraction form
    36,607.92/50,518.40 = 20,691.84/x
  3. Step 3: Cross multiply
    36,607.92x = 50,518.40 × 20,691.84
  4. Step 4: Simplify right side
    36,607.92x = 1,045,318,649.86
  5. Step 5: Solve for x
    x = 1,045,318,649.86/36,607.92
  6. Step 6: Final answer
    x = 28,554.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.