Home / 30,230.72-41,718.09-16,803.15

Finding the Fourth Proportional to 30,230.72, 41,718.09 and 16,803.15

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Solution

The fourth proportional to 30,230.72, 41,718.09 and 16,803.15 is: 23,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.72 : 41,718.09 = 16,803.15 : x
  2. Step 2: Convert to fraction form
    30,230.72/41,718.09 = 16,803.15/x
  3. Step 3: Cross multiply
    30,230.72x = 41,718.09 × 16,803.15
  4. Step 4: Simplify right side
    30,230.72x = 700,995,136.03
  5. Step 5: Solve for x
    x = 700,995,136.03/30,230.72
  6. Step 6: Final answer
    x = 23,188.17

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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.