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Finding the Fourth Proportional to 62,608.49, 86,386.94 and 37,103.63

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Solution

The fourth proportional to 62,608.49, 86,386.94 and 37,103.63 is: 51,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,608.49 : 86,386.94 = 37,103.63 : x
  2. Step 2: Convert to fraction form
    62,608.49/86,386.94 = 37,103.63/x
  3. Step 3: Cross multiply
    62,608.49x = 86,386.94 × 37,103.63
  4. Step 4: Simplify right side
    62,608.49x = 3,205,268,719.42
  5. Step 5: Solve for x
    x = 3,205,268,719.42/62,608.49
  6. Step 6: Final answer
    x = 51,195.44

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1.5x scale

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.