Home / 39,585.15-54,625.32-30,137.31

Finding the Fourth Proportional to 39,585.15, 54,625.32 and 30,137.31

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Solution

The fourth proportional to 39,585.15, 54,625.32 and 30,137.31 is: 41,587.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,585.15 : 54,625.32 = 30,137.31 : x
  2. Step 2: Convert to fraction form
    39,585.15/54,625.32 = 30,137.31/x
  3. Step 3: Cross multiply
    39,585.15x = 54,625.32 × 30,137.31
  4. Step 4: Simplify right side
    39,585.15x = 1,646,260,202.69
  5. Step 5: Solve for x
    x = 1,646,260,202.69/39,585.15
  6. Step 6: Final answer
    x = 41,587.82

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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.