Home / 54,549.78-81,862.32-35,838.78

Finding the Fourth Proportional to 54,549.78, 81,862.32 and 35,838.78

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Solution

The fourth proportional to 54,549.78, 81,862.32 and 35,838.78 is: 53,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,549.78 : 81,862.32 = 35,838.78 : x
  2. Step 2: Convert to fraction form
    54,549.78/81,862.32 = 35,838.78/x
  3. Step 3: Cross multiply
    54,549.78x = 81,862.32 × 35,838.78
  4. Step 4: Simplify right side
    54,549.78x = 2,933,845,676.77
  5. Step 5: Solve for x
    x = 2,933,845,676.77/54,549.78
  6. Step 6: Final answer
    x = 53,782.91

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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.