Home / 42,027.82-57,998.42-22,907.60

Finding the Fourth Proportional to 42,027.82, 57,998.42 and 22,907.60

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Solution

The fourth proportional to 42,027.82, 57,998.42 and 22,907.60 is: 31,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,027.82 : 57,998.42 = 22,907.60 : x
  2. Step 2: Convert to fraction form
    42,027.82/57,998.42 = 22,907.60/x
  3. Step 3: Cross multiply
    42,027.82x = 57,998.42 × 22,907.60
  4. Step 4: Simplify right side
    42,027.82x = 1,328,604,605.99
  5. Step 5: Solve for x
    x = 1,328,604,605.99/42,027.82
  6. Step 6: Final answer
    x = 31,612.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.