Home / 38,928.78-53,747.37-29,960.46

Finding the Fourth Proportional to 38,928.78, 53,747.37 and 29,960.46

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Solution

The fourth proportional to 38,928.78, 53,747.37 and 29,960.46 is: 41,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,928.78 : 53,747.37 = 29,960.46 : x
  2. Step 2: Convert to fraction form
    38,928.78/53,747.37 = 29,960.46/x
  3. Step 3: Cross multiply
    38,928.78x = 53,747.37 × 29,960.46
  4. Step 4: Simplify right side
    38,928.78x = 1,610,295,928.99
  5. Step 5: Solve for x
    x = 1,610,295,928.99/38,928.78
  6. Step 6: Final answer
    x = 41,365.18

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1.5x scale

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.