Home / 53,640.36-74,020.14-29,765.52

Finding the Fourth Proportional to 53,640.36, 74,020.14 and 29,765.52

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Solution

The fourth proportional to 53,640.36, 74,020.14 and 29,765.52 is: 41,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640.36 : 74,020.14 = 29,765.52 : x
  2. Step 2: Convert to fraction form
    53,640.36/74,020.14 = 29,765.52/x
  3. Step 3: Cross multiply
    53,640.36x = 74,020.14 × 29,765.52
  4. Step 4: Simplify right side
    53,640.36x = 2,203,247,957.57
  5. Step 5: Solve for x
    x = 2,203,247,957.57/53,640.36
  6. Step 6: Final answer
    x = 41,074.44

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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.