Home / 55,335.79-82,954.38-20,267.25

Finding the Fourth Proportional to 55,335.79, 82,954.38 and 20,267.25

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Solution

The fourth proportional to 55,335.79, 82,954.38 and 20,267.25 is: 30,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,335.79 : 82,954.38 = 20,267.25 : x
  2. Step 2: Convert to fraction form
    55,335.79/82,954.38 = 20,267.25/x
  3. Step 3: Cross multiply
    55,335.79x = 82,954.38 × 20,267.25
  4. Step 4: Simplify right side
    55,335.79x = 1,681,256,808.97
  5. Step 5: Solve for x
    x = 1,681,256,808.97/55,335.79
  6. Step 6: Final answer
    x = 30,382.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.