Home / 69,714.27-104,560.47-30,260.79

Finding the Fourth Proportional to 69,714.27, 104,560.47 and 30,260.79

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Solution

The fourth proportional to 69,714.27, 104,560.47 and 30,260.79 is: 45,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,714.27 : 104,560.47 = 30,260.79 : x
  2. Step 2: Convert to fraction form
    69,714.27/104,560.47 = 30,260.79/x
  3. Step 3: Cross multiply
    69,714.27x = 104,560.47 × 30,260.79
  4. Step 4: Simplify right side
    69,714.27x = 3,164,082,424.97
  5. Step 5: Solve for x
    x = 3,164,082,424.97/69,714.27
  6. Step 6: Final answer
    x = 45,386.44

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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.