Home / 30,305.97-45,463.14-10,581.66

Finding the Fourth Proportional to 30,305.97, 45,463.14 and 10,581.66

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Solution

The fourth proportional to 30,305.97, 45,463.14 and 10,581.66 is: 15,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.97 : 45,463.14 = 10,581.66 : x
  2. Step 2: Convert to fraction form
    30,305.97/45,463.14 = 10,581.66/x
  3. Step 3: Cross multiply
    30,305.97x = 45,463.14 × 10,581.66
  4. Step 4: Simplify right side
    30,305.97x = 481,075,490.01
  5. Step 5: Solve for x
    x = 481,075,490.01/30,305.97
  6. Step 6: Final answer
    x = 15,873.95

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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.