Home / 30,199.89-41,677.77-16,771.14

Finding the Fourth Proportional to 30,199.89, 41,677.77 and 16,771.14

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Solution

The fourth proportional to 30,199.89, 41,677.77 and 16,771.14 is: 23,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.89 : 41,677.77 = 16,771.14 : x
  2. Step 2: Convert to fraction form
    30,199.89/41,677.77 = 16,771.14/x
  3. Step 3: Cross multiply
    30,199.89x = 41,677.77 × 16,771.14
  4. Step 4: Simplify right side
    30,199.89x = 698,983,715.56
  5. Step 5: Solve for x
    x = 698,983,715.56/30,199.89
  6. Step 6: Final answer
    x = 23,145.24

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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.