Home / 40,425.36-60,644.64-13,773.72

Finding the Fourth Proportional to 40,425.36, 60,644.64 and 13,773.72

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Solution

The fourth proportional to 40,425.36, 60,644.64 and 13,773.72 is: 20,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.36 : 60,644.64 = 13,773.72 : x
  2. Step 2: Convert to fraction form
    40,425.36/60,644.64 = 13,773.72/x
  3. Step 3: Cross multiply
    40,425.36x = 60,644.64 × 13,773.72
  4. Step 4: Simplify right side
    40,425.36x = 835,302,290.86
  5. Step 5: Solve for x
    x = 835,302,290.86/40,425.36
  6. Step 6: Final answer
    x = 20,662.83

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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.