Home / 36,393.12-54,555.12-14,220.72

Finding the Fourth Proportional to 36,393.12, 54,555.12 and 14,220.72

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Solution

The fourth proportional to 36,393.12, 54,555.12 and 14,220.72 is: 21,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,393.12 : 54,555.12 = 14,220.72 : x
  2. Step 2: Convert to fraction form
    36,393.12/54,555.12 = 14,220.72/x
  3. Step 3: Cross multiply
    36,393.12x = 54,555.12 × 14,220.72
  4. Step 4: Simplify right side
    36,393.12x = 775,813,086.09
  5. Step 5: Solve for x
    x = 775,813,086.09/36,393.12
  6. Step 6: Final answer
    x = 21,317.58

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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.