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Finding the Fourth Proportional to 62,796.38, 86,681.74 and 41,582.48

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Solution

The fourth proportional to 62,796.38, 86,681.74 and 41,582.48 is: 57,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,796.38 : 86,681.74 = 41,582.48 : x
  2. Step 2: Convert to fraction form
    62,796.38/86,681.74 = 41,582.48/x
  3. Step 3: Cross multiply
    62,796.38x = 86,681.74 × 41,582.48
  4. Step 4: Simplify right side
    62,796.38x = 3,604,441,719.92
  5. Step 5: Solve for x
    x = 3,604,441,719.92/62,796.38
  6. Step 6: Final answer
    x = 57,398.88

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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.