Home / 36,611.20-54,910.42-14,430.76

Finding the Fourth Proportional to 36,611.20, 54,910.42 and 14,430.76

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Solution

The fourth proportional to 36,611.20, 54,910.42 and 14,430.76 is: 21,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,611.20 : 54,910.42 = 14,430.76 : x
  2. Step 2: Convert to fraction form
    36,611.20/54,910.42 = 14,430.76/x
  3. Step 3: Cross multiply
    36,611.20x = 54,910.42 × 14,430.76
  4. Step 4: Simplify right side
    36,611.20x = 792,399,092.52
  5. Step 5: Solve for x
    x = 792,399,092.52/36,611.20
  6. Step 6: Final answer
    x = 21,643.63

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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.