Home / 36,537.12-50,420.21-20,623.05

Finding the Fourth Proportional to 36,537.12, 50,420.21 and 20,623.05

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Solution

The fourth proportional to 36,537.12, 50,420.21 and 20,623.05 is: 28,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,537.12 : 50,420.21 = 20,623.05 : x
  2. Step 2: Convert to fraction form
    36,537.12/50,420.21 = 20,623.05/x
  3. Step 3: Cross multiply
    36,537.12x = 50,420.21 × 20,623.05
  4. Step 4: Simplify right side
    36,537.12x = 1,039,818,408.73
  5. Step 5: Solve for x
    x = 1,039,818,408.73/36,537.12
  6. Step 6: Final answer
    x = 28,459.23

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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.