Home / 39,852.54-54,996.51-21,947.49

Finding the Fourth Proportional to 39,852.54, 54,996.51 and 21,947.49

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Solution

The fourth proportional to 39,852.54, 54,996.51 and 21,947.49 is: 30,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,852.54 : 54,996.51 = 21,947.49 : x
  2. Step 2: Convert to fraction form
    39,852.54/54,996.51 = 21,947.49/x
  3. Step 3: Cross multiply
    39,852.54x = 54,996.51 × 21,947.49
  4. Step 4: Simplify right side
    39,852.54x = 1,207,035,353.26
  5. Step 5: Solve for x
    x = 1,207,035,353.26/39,852.54
  6. Step 6: Final answer
    x = 30,287.54

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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.