Home / 49,387.73-74,058.98-21,294.36

Finding the Fourth Proportional to 49,387.73, 74,058.98 and 21,294.36

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Solution

The fourth proportional to 49,387.73, 74,058.98 and 21,294.36 is: 31,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,387.73 : 74,058.98 = 21,294.36 : x
  2. Step 2: Convert to fraction form
    49,387.73/74,058.98 = 21,294.36/x
  3. Step 3: Cross multiply
    49,387.73x = 74,058.98 × 21,294.36
  4. Step 4: Simplify right side
    49,387.73x = 1,577,038,474.88
  5. Step 5: Solve for x
    x = 1,577,038,474.88/49,387.73
  6. Step 6: Final answer
    x = 31,931.79

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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.