Home / 30,355.11-45,553.12-10,633.84

Finding the Fourth Proportional to 30,355.11, 45,553.12 and 10,633.84

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Solution

The fourth proportional to 30,355.11, 45,553.12 and 10,633.84 is: 15,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.11 : 45,553.12 = 10,633.84 : x
  2. Step 2: Convert to fraction form
    30,355.11/45,553.12 = 10,633.84/x
  3. Step 3: Cross multiply
    30,355.11x = 45,553.12 × 10,633.84
  4. Step 4: Simplify right side
    30,355.11x = 484,404,449.11
  5. Step 5: Solve for x
    x = 484,404,449.11/30,355.11
  6. Step 6: Final answer
    x = 15,957.92

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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.