Home / 48,146.78-72,219.97-13,086.34

Finding the Fourth Proportional to 48,146.78, 72,219.97 and 13,086.34

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Solution

The fourth proportional to 48,146.78, 72,219.97 and 13,086.34 is: 19,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,146.78 : 72,219.97 = 13,086.34 : x
  2. Step 2: Convert to fraction form
    48,146.78/72,219.97 = 13,086.34/x
  3. Step 3: Cross multiply
    48,146.78x = 72,219.97 × 13,086.34
  4. Step 4: Simplify right side
    48,146.78x = 945,094,918.02
  5. Step 5: Solve for x
    x = 945,094,918.02/48,146.78
  6. Step 6: Final answer
    x = 19,629.45

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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.