Home / 30,940.14-42,697.43-16,792.98

Finding the Fourth Proportional to 30,940.14, 42,697.43 and 16,792.98

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Solution

The fourth proportional to 30,940.14, 42,697.43 and 16,792.98 is: 23,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940.14 : 42,697.43 = 16,792.98 : x
  2. Step 2: Convert to fraction form
    30,940.14/42,697.43 = 16,792.98/x
  3. Step 3: Cross multiply
    30,940.14x = 42,697.43 × 16,792.98
  4. Step 4: Simplify right side
    30,940.14x = 717,017,088.04
  5. Step 5: Solve for x
    x = 717,017,088.04/30,940.14
  6. Step 6: Final answer
    x = 23,174.33

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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.