Home / 36,638.57-50,560.40-20,723.00

Finding the Fourth Proportional to 36,638.57, 50,560.40 and 20,723.00

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Solution

The fourth proportional to 36,638.57, 50,560.40 and 20,723.00 is: 28,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.57 : 50,560.40 = 20,723.00 : x
  2. Step 2: Convert to fraction form
    36,638.57/50,560.40 = 20,723.00/x
  3. Step 3: Cross multiply
    36,638.57x = 50,560.40 × 20,723.00
  4. Step 4: Simplify right side
    36,638.57x = 1,047,762,812.78
  5. Step 5: Solve for x
    x = 1,047,762,812.78/36,638.57
  6. Step 6: Final answer
    x = 28,597.27

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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.