Home / 69,857.43-104,727.36-30,384.81

Finding the Fourth Proportional to 69,857.43, 104,727.36 and 30,384.81

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Solution

The fourth proportional to 69,857.43, 104,727.36 and 30,384.81 is: 45,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,857.43 : 104,727.36 = 30,384.81 : x
  2. Step 2: Convert to fraction form
    69,857.43/104,727.36 = 30,384.81/x
  3. Step 3: Cross multiply
    69,857.43x = 104,727.36 × 30,384.81
  4. Step 4: Simplify right side
    69,857.43x = 3,182,120,935.40
  5. Step 5: Solve for x
    x = 3,182,120,935.40/69,857.43
  6. Step 6: Final answer
    x = 45,551.65

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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.