Home / 36,015.72-49,692.23-21,670.83

Finding the Fourth Proportional to 36,015.72, 49,692.23 and 21,670.83

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Solution

The fourth proportional to 36,015.72, 49,692.23 and 21,670.83 is: 29,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.72 : 49,692.23 = 21,670.83 : x
  2. Step 2: Convert to fraction form
    36,015.72/49,692.23 = 21,670.83/x
  3. Step 3: Cross multiply
    36,015.72x = 49,692.23 × 21,670.83
  4. Step 4: Simplify right side
    36,015.72x = 1,076,871,760.30
  5. Step 5: Solve for x
    x = 1,076,871,760.30/36,015.72
  6. Step 6: Final answer
    x = 29,900.05

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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.