Home / 38,916.78-58,398.78-15,541.26

Finding the Fourth Proportional to 38,916.78, 58,398.78 and 15,541.26

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Solution

The fourth proportional to 38,916.78, 58,398.78 and 15,541.26 is: 23,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916.78 : 58,398.78 = 15,541.26 : x
  2. Step 2: Convert to fraction form
    38,916.78/58,398.78 = 15,541.26/x
  3. Step 3: Cross multiply
    38,916.78x = 58,398.78 × 15,541.26
  4. Step 4: Simplify right side
    38,916.78x = 907,590,623.66
  5. Step 5: Solve for x
    x = 907,590,623.66/38,916.78
  6. Step 6: Final answer
    x = 23,321.32

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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.