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Finding the Fourth Proportional to 62,260.84, 85,916.46 and 35,409.88

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Solution

The fourth proportional to 62,260.84, 85,916.46 and 35,409.88 is: 48,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,260.84 : 85,916.46 = 35,409.88 : x
  2. Step 2: Convert to fraction form
    62,260.84/85,916.46 = 35,409.88/x
  3. Step 3: Cross multiply
    62,260.84x = 85,916.46 × 35,409.88
  4. Step 4: Simplify right side
    62,260.84x = 3,042,291,538.62
  5. Step 5: Solve for x
    x = 3,042,291,538.62/62,260.84
  6. Step 6: Final answer
    x = 48,863.64

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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.