Home / 30,299.03-45,426.66-12,759.29

Finding the Fourth Proportional to 30,299.03, 45,426.66 and 12,759.29

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Solution

The fourth proportional to 30,299.03, 45,426.66 and 12,759.29 is: 19,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.03 : 45,426.66 = 12,759.29 : x
  2. Step 2: Convert to fraction form
    30,299.03/45,426.66 = 12,759.29/x
  3. Step 3: Cross multiply
    30,299.03x = 45,426.66 × 12,759.29
  4. Step 4: Simplify right side
    30,299.03x = 579,611,701.54
  5. Step 5: Solve for x
    x = 579,611,701.54/30,299.03
  6. Step 6: Final answer
    x = 19,129.71

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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.