Home / 53,812.89-74,260.31-29,939.09

Finding the Fourth Proportional to 53,812.89, 74,260.31 and 29,939.09

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Solution

The fourth proportional to 53,812.89, 74,260.31 and 29,939.09 is: 41,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,812.89 : 74,260.31 = 29,939.09 : x
  2. Step 2: Convert to fraction form
    53,812.89/74,260.31 = 29,939.09/x
  3. Step 3: Cross multiply
    53,812.89x = 74,260.31 × 29,939.09
  4. Step 4: Simplify right side
    53,812.89x = 2,223,285,583.52
  5. Step 5: Solve for x
    x = 2,223,285,583.52/53,812.89
  6. Step 6: Final answer
    x = 41,315.11

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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.