Home / 39,477.64-54,462.72-25,861.80

Finding the Fourth Proportional to 39,477.64, 54,462.72 and 25,861.80

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Solution

The fourth proportional to 39,477.64, 54,462.72 and 25,861.80 is: 35,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,477.64 : 54,462.72 = 25,861.80 : x
  2. Step 2: Convert to fraction form
    39,477.64/54,462.72 = 25,861.80/x
  3. Step 3: Cross multiply
    39,477.64x = 54,462.72 × 25,861.80
  4. Step 4: Simplify right side
    39,477.64x = 1,408,503,972.10
  5. Step 5: Solve for x
    x = 1,408,503,972.10/39,477.64
  6. Step 6: Final answer
    x = 35,678.53

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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.