Home / 36,486.10-50,353.41-20,572.03

Finding the Fourth Proportional to 36,486.10, 50,353.41 and 20,572.03

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Solution

The fourth proportional to 36,486.10, 50,353.41 and 20,572.03 is: 28,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486.10 : 50,353.41 = 20,572.03 : x
  2. Step 2: Convert to fraction form
    36,486.10/50,353.41 = 20,572.03/x
  3. Step 3: Cross multiply
    36,486.10x = 50,353.41 × 20,572.03
  4. Step 4: Simplify right side
    36,486.10x = 1,035,871,861.12
  5. Step 5: Solve for x
    x = 1,035,871,861.12/36,486.10
  6. Step 6: Final answer
    x = 28,390.86

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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.