Home / 30,144.84-41,600.82-18,205.74

Finding the Fourth Proportional to 30,144.84, 41,600.82 and 18,205.74

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Solution

The fourth proportional to 30,144.84, 41,600.82 and 18,205.74 is: 25,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144.84 : 41,600.82 = 18,205.74 : x
  2. Step 2: Convert to fraction form
    30,144.84/41,600.82 = 18,205.74/x
  3. Step 3: Cross multiply
    30,144.84x = 41,600.82 × 18,205.74
  4. Step 4: Simplify right side
    30,144.84x = 757,373,712.71
  5. Step 5: Solve for x
    x = 757,373,712.71/30,144.84
  6. Step 6: Final answer
    x = 25,124.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.