Home / 55,629.72-83,462.40-16,189.20

Finding the Fourth Proportional to 55,629.72, 83,462.40 and 16,189.20

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Solution

The fourth proportional to 55,629.72, 83,462.40 and 16,189.20 is: 24,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.72 : 83,462.40 = 16,189.20 : x
  2. Step 2: Convert to fraction form
    55,629.72/83,462.40 = 16,189.20/x
  3. Step 3: Cross multiply
    55,629.72x = 83,462.40 × 16,189.20
  4. Step 4: Simplify right side
    55,629.72x = 1,351,189,486.08
  5. Step 5: Solve for x
    x = 1,351,189,486.08/55,629.72
  6. Step 6: Final answer
    x = 24,288.99

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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.