Home / 39,895.20-55,045.44-25,731

Finding the Fourth Proportional to 39,895.20, 55,045.44 and 25,731

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Solution

The fourth proportional to 39,895.20, 55,045.44 and 25,731 is: 35,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.20 : 55,045.44 = 25,731 : x
  2. Step 2: Convert to fraction form
    39,895.20/55,045.44 = 25,731/x
  3. Step 3: Cross multiply
    39,895.20x = 55,045.44 × 25,731
  4. Step 4: Simplify right side
    39,895.20x = 1,416,374,216.64
  5. Step 5: Solve for x
    x = 1,416,374,216.64/39,895.20
  6. Step 6: Final answer
    x = 35,502.37

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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.