Home / 45,457.52-68,164.41-19,147.91

Finding the Fourth Proportional to 45,457.52, 68,164.41 and 19,147.91

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Solution

The fourth proportional to 45,457.52, 68,164.41 and 19,147.91 is: 28,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,457.52 : 68,164.41 = 19,147.91 : x
  2. Step 2: Convert to fraction form
    45,457.52/68,164.41 = 19,147.91/x
  3. Step 3: Cross multiply
    45,457.52x = 68,164.41 × 19,147.91
  4. Step 4: Simplify right side
    45,457.52x = 1,305,205,987.88
  5. Step 5: Solve for x
    x = 1,305,205,987.88/45,457.52
  6. Step 6: Final answer
    x = 28,712.65

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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.