Home / 30,104.88-45,160.28-10,380.84

Finding the Fourth Proportional to 30,104.88, 45,160.28 and 10,380.84

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Solution

The fourth proportional to 30,104.88, 45,160.28 and 10,380.84 is: 15,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,104.88 : 45,160.28 = 10,380.84 : x
  2. Step 2: Convert to fraction form
    30,104.88/45,160.28 = 10,380.84/x
  3. Step 3: Cross multiply
    30,104.88x = 45,160.28 × 10,380.84
  4. Step 4: Simplify right side
    30,104.88x = 468,801,641.04
  5. Step 5: Solve for x
    x = 468,801,641.04/30,104.88
  6. Step 6: Final answer
    x = 15,572.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.