Home / 43,462.54-65,216.04-20,692.16

Finding the Fourth Proportional to 43,462.54, 65,216.04 and 20,692.16

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Solution

The fourth proportional to 43,462.54, 65,216.04 and 20,692.16 is: 31,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,462.54 : 65,216.04 = 20,692.16 : x
  2. Step 2: Convert to fraction form
    43,462.54/65,216.04 = 20,692.16/x
  3. Step 3: Cross multiply
    43,462.54x = 65,216.04 × 20,692.16
  4. Step 4: Simplify right side
    43,462.54x = 1,349,460,734.25
  5. Step 5: Solve for x
    x = 1,349,460,734.25/43,462.54
  6. Step 6: Final answer
    x = 31,048.82

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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.