Home / 36,895.88-50,916.18-20,128.84

Finding the Fourth Proportional to 36,895.88, 50,916.18 and 20,128.84

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Solution

The fourth proportional to 36,895.88, 50,916.18 and 20,128.84 is: 27,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,895.88 : 50,916.18 = 20,128.84 : x
  2. Step 2: Convert to fraction form
    36,895.88/50,916.18 = 20,128.84/x
  3. Step 3: Cross multiply
    36,895.88x = 50,916.18 × 20,128.84
  4. Step 4: Simplify right side
    36,895.88x = 1,024,883,640.63
  5. Step 5: Solve for x
    x = 1,024,883,640.63/36,895.88
  6. Step 6: Final answer
    x = 27,777.73

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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.