Home / 36,487.94-54,633.20-18,920.84

Finding the Fourth Proportional to 36,487.94, 54,633.20 and 18,920.84

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Solution

The fourth proportional to 36,487.94, 54,633.20 and 18,920.84 is: 28,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,487.94 : 54,633.20 = 18,920.84 : x
  2. Step 2: Convert to fraction form
    36,487.94/54,633.20 = 18,920.84/x
  3. Step 3: Cross multiply
    36,487.94x = 54,633.20 × 18,920.84
  4. Step 4: Simplify right side
    36,487.94x = 1,033,706,035.89
  5. Step 5: Solve for x
    x = 1,033,706,035.89/36,487.94
  6. Step 6: Final answer
    x = 28,330.07

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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.