Home / 30,213.74-45,325.22-15,414.59

Finding the Fourth Proportional to 30,213.74, 45,325.22 and 15,414.59

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Solution

The fourth proportional to 30,213.74, 45,325.22 and 15,414.59 is: 23,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.74 : 45,325.22 = 15,414.59 : x
  2. Step 2: Convert to fraction form
    30,213.74/45,325.22 = 15,414.59/x
  3. Step 3: Cross multiply
    30,213.74x = 45,325.22 × 15,414.59
  4. Step 4: Simplify right side
    30,213.74x = 698,669,379.26
  5. Step 5: Solve for x
    x = 698,669,379.26/30,213.74
  6. Step 6: Final answer
    x = 23,124.23

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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.