Home / 36,950.18-50,990.48-20,818.32

Finding the Fourth Proportional to 36,950.18, 50,990.48 and 20,818.32

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Solution

The fourth proportional to 36,950.18, 50,990.48 and 20,818.32 is: 28,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,950.18 : 50,990.48 = 20,818.32 : x
  2. Step 2: Convert to fraction form
    36,950.18/50,990.48 = 20,818.32/x
  3. Step 3: Cross multiply
    36,950.18x = 50,990.48 × 20,818.32
  4. Step 4: Simplify right side
    36,950.18x = 1,061,536,129.59
  5. Step 5: Solve for x
    x = 1,061,536,129.59/36,950.18
  6. Step 6: Final answer
    x = 28,728.85

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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.