Home / 42,620.73-63,917.27-20,127.93

Finding the Fourth Proportional to 42,620.73, 63,917.27 and 20,127.93

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Solution

The fourth proportional to 42,620.73, 63,917.27 and 20,127.93 is: 30,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,620.73 : 63,917.27 = 20,127.93 : x
  2. Step 2: Convert to fraction form
    42,620.73/63,917.27 = 20,127.93/x
  3. Step 3: Cross multiply
    42,620.73x = 63,917.27 × 20,127.93
  4. Step 4: Simplify right side
    42,620.73x = 1,286,522,235.71
  5. Step 5: Solve for x
    x = 1,286,522,235.71/42,620.73
  6. Step 6: Final answer
    x = 30,185.36

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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.