Home / 45,819-68,739.24-14,227.44

Finding the Fourth Proportional to 45,819, 68,739.24 and 14,227.44

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Solution

The fourth proportional to 45,819, 68,739.24 and 14,227.44 is: 21,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,819 : 68,739.24 = 14,227.44 : x
  2. Step 2: Convert to fraction form
    45,819/68,739.24 = 14,227.44/x
  3. Step 3: Cross multiply
    45,819x = 68,739.24 × 14,227.44
  4. Step 4: Simplify right side
    45,819x = 977,983,412.75
  5. Step 5: Solve for x
    x = 977,983,412.75/45,819
  6. Step 6: Final answer
    x = 21,344.49

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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.