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Finding the Fourth Proportional to 62,348.63, 86,041.22 and 35,491.15

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Solution

The fourth proportional to 62,348.63, 86,041.22 and 35,491.15 is: 48,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,348.63 : 86,041.22 = 35,491.15 : x
  2. Step 2: Convert to fraction form
    62,348.63/86,041.22 = 35,491.15/x
  3. Step 3: Cross multiply
    62,348.63x = 86,041.22 × 35,491.15
  4. Step 4: Simplify right side
    62,348.63x = 3,053,701,237.54
  5. Step 5: Solve for x
    x = 3,053,701,237.54/62,348.63
  6. Step 6: Final answer
    x = 48,977.84

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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.