Home / 30,467.06-45,714.21-19,370.78

Finding the Fourth Proportional to 30,467.06, 45,714.21 and 19,370.78

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Solution

The fourth proportional to 30,467.06, 45,714.21 and 19,370.78 is: 29,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.06 : 45,714.21 = 19,370.78 : x
  2. Step 2: Convert to fraction form
    30,467.06/45,714.21 = 19,370.78/x
  3. Step 3: Cross multiply
    30,467.06x = 45,714.21 × 19,370.78
  4. Step 4: Simplify right side
    30,467.06x = 885,519,904.78
  5. Step 5: Solve for x
    x = 885,519,904.78/30,467.06
  6. Step 6: Final answer
    x = 29,064.83

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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.