Home / 43,128.55-64,692.24-11,107.44

Finding the Fourth Proportional to 43,128.55, 64,692.24 and 11,107.44

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Solution

The fourth proportional to 43,128.55, 64,692.24 and 11,107.44 is: 16,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,128.55 : 64,692.24 = 11,107.44 : x
  2. Step 2: Convert to fraction form
    43,128.55/64,692.24 = 11,107.44/x
  3. Step 3: Cross multiply
    43,128.55x = 64,692.24 × 11,107.44
  4. Step 4: Simplify right side
    43,128.55x = 718,565,174.27
  5. Step 5: Solve for x
    x = 718,565,174.27/43,128.55
  6. Step 6: Final answer
    x = 16,661.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.