Home / 41,779.13-57,692.27-28,400.16

Finding the Fourth Proportional to 41,779.13, 57,692.27 and 28,400.16

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Solution

The fourth proportional to 41,779.13, 57,692.27 and 28,400.16 is: 39,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,779.13 : 57,692.27 = 28,400.16 : x
  2. Step 2: Convert to fraction form
    41,779.13/57,692.27 = 28,400.16/x
  3. Step 3: Cross multiply
    41,779.13x = 57,692.27 × 28,400.16
  4. Step 4: Simplify right side
    41,779.13x = 1,638,469,769.76
  5. Step 5: Solve for x
    x = 1,638,469,769.76/41,779.13
  6. Step 6: Final answer
    x = 39,217.42

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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.