Home / 30,376.49-41,919.42-16,946.92

Finding the Fourth Proportional to 30,376.49, 41,919.42 and 16,946.92

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Solution

The fourth proportional to 30,376.49, 41,919.42 and 16,946.92 is: 23,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.49 : 41,919.42 = 16,946.92 : x
  2. Step 2: Convert to fraction form
    30,376.49/41,919.42 = 16,946.92/x
  3. Step 3: Cross multiply
    30,376.49x = 41,919.42 × 16,946.92
  4. Step 4: Simplify right side
    30,376.49x = 710,405,173.14
  5. Step 5: Solve for x
    x = 710,405,173.14/30,376.49
  6. Step 6: Final answer
    x = 23,386.68

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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.