Home / 30,035.66-41,447.43-16,605.86

Finding the Fourth Proportional to 30,035.66, 41,447.43 and 16,605.86

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Solution

The fourth proportional to 30,035.66, 41,447.43 and 16,605.86 is: 22,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.66 : 41,447.43 = 16,605.86 : x
  2. Step 2: Convert to fraction form
    30,035.66/41,447.43 = 16,605.86/x
  3. Step 3: Cross multiply
    30,035.66x = 41,447.43 × 16,605.86
  4. Step 4: Simplify right side
    30,035.66x = 688,270,012.70
  5. Step 5: Solve for x
    x = 688,270,012.70/30,035.66
  6. Step 6: Final answer
    x = 22,915.10

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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.