Home / 49,394.31-74,038.32-21,327.58

Finding the Fourth Proportional to 49,394.31, 74,038.32 and 21,327.58

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Solution

The fourth proportional to 49,394.31, 74,038.32 and 21,327.58 is: 31,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,394.31 : 74,038.32 = 21,327.58 : x
  2. Step 2: Convert to fraction form
    49,394.31/74,038.32 = 21,327.58/x
  3. Step 3: Cross multiply
    49,394.31x = 74,038.32 × 21,327.58
  4. Step 4: Simplify right side
    49,394.31x = 1,579,058,122.17
  5. Step 5: Solve for x
    x = 1,579,058,122.17/49,394.31
  6. Step 6: Final answer
    x = 31,968.42

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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.