Home / 34,414.84-51,636.78-18,814.24

Finding the Fourth Proportional to 34,414.84, 51,636.78 and 18,814.24

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Solution

The fourth proportional to 34,414.84, 51,636.78 and 18,814.24 is: 28,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,414.84 : 51,636.78 = 18,814.24 : x
  2. Step 2: Convert to fraction form
    34,414.84/51,636.78 = 18,814.24/x
  3. Step 3: Cross multiply
    34,414.84x = 51,636.78 × 18,814.24
  4. Step 4: Simplify right side
    34,414.84x = 971,506,771.75
  5. Step 5: Solve for x
    x = 971,506,771.75/34,414.84
  6. Step 6: Final answer
    x = 28,229.30

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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.