Home / 30,392.18-41,937.06-16,961.72

Finding the Fourth Proportional to 30,392.18, 41,937.06 and 16,961.72

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Solution

The fourth proportional to 30,392.18, 41,937.06 and 16,961.72 is: 23,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.18 : 41,937.06 = 16,961.72 : x
  2. Step 2: Convert to fraction form
    30,392.18/41,937.06 = 16,961.72/x
  3. Step 3: Cross multiply
    30,392.18x = 41,937.06 × 16,961.72
  4. Step 4: Simplify right side
    30,392.18x = 711,324,459.66
  5. Step 5: Solve for x
    x = 711,324,459.66/30,392.18
  6. Step 6: Final answer
    x = 23,404.86

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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.