Home / 30,199.94-41,677.76-16,771.28

Finding the Fourth Proportional to 30,199.94, 41,677.76 and 16,771.28

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Solution

The fourth proportional to 30,199.94, 41,677.76 and 16,771.28 is: 23,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.94 : 41,677.76 = 16,771.28 : x
  2. Step 2: Convert to fraction form
    30,199.94/41,677.76 = 16,771.28/x
  3. Step 3: Cross multiply
    30,199.94x = 41,677.76 × 16,771.28
  4. Step 4: Simplify right side
    30,199.94x = 698,989,528.86
  5. Step 5: Solve for x
    x = 698,989,528.86/30,199.94
  6. Step 6: Final answer
    x = 23,145.40

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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.