Home / 45,714.20-68,571.30-19,400.49

Finding the Fourth Proportional to 45,714.20, 68,571.30 and 19,400.49

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Solution

The fourth proportional to 45,714.20, 68,571.30 and 19,400.49 is: 29,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,714.20 : 68,571.30 = 19,400.49 : x
  2. Step 2: Convert to fraction form
    45,714.20/68,571.30 = 19,400.49/x
  3. Step 3: Cross multiply
    45,714.20x = 68,571.30 × 19,400.49
  4. Step 4: Simplify right side
    45,714.20x = 1,330,316,819.94
  5. Step 5: Solve for x
    x = 1,330,316,819.94/45,714.20
  6. Step 6: Final answer
    x = 29,100.74

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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.