Home / 54,338-74,986.65-31,692.63

Finding the Fourth Proportional to 54,338, 74,986.65 and 31,692.63

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Solution

The fourth proportional to 54,338, 74,986.65 and 31,692.63 is: 43,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338 : 74,986.65 = 31,692.63 : x
  2. Step 2: Convert to fraction form
    54,338/74,986.65 = 31,692.63/x
  3. Step 3: Cross multiply
    54,338x = 74,986.65 × 31,692.63
  4. Step 4: Simplify right side
    54,338x = 2,376,523,994.93
  5. Step 5: Solve for x
    x = 2,376,523,994.93/54,338
  6. Step 6: Final answer
    x = 43,735.95

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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.