Home / 39,048-53,895.96-22,290.72

Finding the Fourth Proportional to 39,048, 53,895.96 and 22,290.72

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Solution

The fourth proportional to 39,048, 53,895.96 and 22,290.72 is: 30,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,048 : 53,895.96 = 22,290.72 : x
  2. Step 2: Convert to fraction form
    39,048/53,895.96 = 22,290.72/x
  3. Step 3: Cross multiply
    39,048x = 53,895.96 × 22,290.72
  4. Step 4: Simplify right side
    39,048x = 1,201,379,753.49
  5. Step 5: Solve for x
    x = 1,201,379,753.49/39,048
  6. Step 6: Final answer
    x = 30,766.74

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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.