Home / 30,242.41-41,732.16-16,812.85

Finding the Fourth Proportional to 30,242.41, 41,732.16 and 16,812.85

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Solution

The fourth proportional to 30,242.41, 41,732.16 and 16,812.85 is: 23,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.41 : 41,732.16 = 16,812.85 : x
  2. Step 2: Convert to fraction form
    30,242.41/41,732.16 = 16,812.85/x
  3. Step 3: Cross multiply
    30,242.41x = 41,732.16 × 16,812.85
  4. Step 4: Simplify right side
    30,242.41x = 701,636,557.14
  5. Step 5: Solve for x
    x = 701,636,557.14/30,242.41
  6. Step 6: Final answer
    x = 23,200.42

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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.