Home / 36,285.11-54,431.12-14,100.21

Finding the Fourth Proportional to 36,285.11, 54,431.12 and 14,100.21

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Solution

The fourth proportional to 36,285.11, 54,431.12 and 14,100.21 is: 21,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,285.11 : 54,431.12 = 14,100.21 : x
  2. Step 2: Convert to fraction form
    36,285.11/54,431.12 = 14,100.21/x
  3. Step 3: Cross multiply
    36,285.11x = 54,431.12 × 14,100.21
  4. Step 4: Simplify right side
    36,285.11x = 767,490,257.79
  5. Step 5: Solve for x
    x = 767,490,257.79/36,285.11
  6. Step 6: Final answer
    x = 21,151.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.