Home / 42,722.21-64,092.41-14,634.73

Finding the Fourth Proportional to 42,722.21, 64,092.41 and 14,634.73

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Solution

The fourth proportional to 42,722.21, 64,092.41 and 14,634.73 is: 21,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,722.21 : 64,092.41 = 14,634.73 : x
  2. Step 2: Convert to fraction form
    42,722.21/64,092.41 = 14,634.73/x
  3. Step 3: Cross multiply
    42,722.21x = 64,092.41 × 14,634.73
  4. Step 4: Simplify right side
    42,722.21x = 937,975,212.00
  5. Step 5: Solve for x
    x = 937,975,212.00/42,722.21
  6. Step 6: Final answer
    x = 21,955.21

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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.