Home / 36,561.46-50,455.84-20,648.30

Finding the Fourth Proportional to 36,561.46, 50,455.84 and 20,648.30

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Solution

The fourth proportional to 36,561.46, 50,455.84 and 20,648.30 is: 28,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.46 : 50,455.84 = 20,648.30 : x
  2. Step 2: Convert to fraction form
    36,561.46/50,455.84 = 20,648.30/x
  3. Step 3: Cross multiply
    36,561.46x = 50,455.84 × 20,648.30
  4. Step 4: Simplify right side
    36,561.46x = 1,041,827,321.07
  5. Step 5: Solve for x
    x = 1,041,827,321.07/36,561.46
  6. Step 6: Final answer
    x = 28,495.23

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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.