Home / 30,269.64-45,404.50-13,626.57

Finding the Fourth Proportional to 30,269.64, 45,404.50 and 13,626.57

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Solution

The fourth proportional to 30,269.64, 45,404.50 and 13,626.57 is: 20,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269.64 : 45,404.50 = 13,626.57 : x
  2. Step 2: Convert to fraction form
    30,269.64/45,404.50 = 13,626.57/x
  3. Step 3: Cross multiply
    30,269.64x = 45,404.50 × 13,626.57
  4. Step 4: Simplify right side
    30,269.64x = 618,707,597.57
  5. Step 5: Solve for x
    x = 618,707,597.57/30,269.64
  6. Step 6: Final answer
    x = 20,439.87

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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.