Home / 30,051.78-41,470.68-16,622.70

Finding the Fourth Proportional to 30,051.78, 41,470.68 and 16,622.70

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Solution

The fourth proportional to 30,051.78, 41,470.68 and 16,622.70 is: 22,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051.78 : 41,470.68 = 16,622.70 : x
  2. Step 2: Convert to fraction form
    30,051.78/41,470.68 = 16,622.70/x
  3. Step 3: Cross multiply
    30,051.78x = 41,470.68 × 16,622.70
  4. Step 4: Simplify right side
    30,051.78x = 689,354,672.44
  5. Step 5: Solve for x
    x = 689,354,672.44/30,051.78
  6. Step 6: Final answer
    x = 22,938.90

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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.