Home / 30,370.32-41,908.14-16,940.52

Finding the Fourth Proportional to 30,370.32, 41,908.14 and 16,940.52

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Solution

The fourth proportional to 30,370.32, 41,908.14 and 16,940.52 is: 23,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.32 : 41,908.14 = 16,940.52 : x
  2. Step 2: Convert to fraction form
    30,370.32/41,908.14 = 16,940.52/x
  3. Step 3: Cross multiply
    30,370.32x = 41,908.14 × 16,940.52
  4. Step 4: Simplify right side
    30,370.32x = 709,945,683.83
  5. Step 5: Solve for x
    x = 709,945,683.83/30,370.32
  6. Step 6: Final answer
    x = 23,376.30

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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.