Home / 39,384.72-54,356.16-25,045.94

Finding the Fourth Proportional to 39,384.72, 54,356.16 and 25,045.94

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Solution

The fourth proportional to 39,384.72, 54,356.16 and 25,045.94 is: 34,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384.72 : 54,356.16 = 25,045.94 : x
  2. Step 2: Convert to fraction form
    39,384.72/54,356.16 = 25,045.94/x
  3. Step 3: Cross multiply
    39,384.72x = 54,356.16 × 25,045.94
  4. Step 4: Simplify right side
    39,384.72x = 1,361,400,850.21
  5. Step 5: Solve for x
    x = 1,361,400,850.21/39,384.72
  6. Step 6: Final answer
    x = 34,566.73

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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.