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Finding the Fourth Proportional to 30,000.70, 44,979.45 and 16,857.10

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Solution

The fourth proportional to 30,000.70, 44,979.45 and 16,857.10 is: 25,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.70 : 44,979.45 = 16,857.10 : x
  2. Step 2: Convert to fraction form
    30,000.70/44,979.45 = 16,857.10/x
  3. Step 3: Cross multiply
    30,000.70x = 44,979.45 × 16,857.10
  4. Step 4: Simplify right side
    30,000.70x = 758,223,086.60
  5. Step 5: Solve for x
    x = 758,223,086.60/30,000.70
  6. Step 6: Final answer
    x = 25,273.51

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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.