Home / 43,218.56-64,843.54-15,146.39

Finding the Fourth Proportional to 43,218.56, 64,843.54 and 15,146.39

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Solution

The fourth proportional to 43,218.56, 64,843.54 and 15,146.39 is: 22,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,218.56 : 64,843.54 = 15,146.39 : x
  2. Step 2: Convert to fraction form
    43,218.56/64,843.54 = 15,146.39/x
  3. Step 3: Cross multiply
    43,218.56x = 64,843.54 × 15,146.39
  4. Step 4: Simplify right side
    43,218.56x = 982,145,670.06
  5. Step 5: Solve for x
    x = 982,145,670.06/43,218.56
  6. Step 6: Final answer
    x = 22,725.09

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1.5x scale

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.