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Finding the Fourth Proportional to 62,657.69, 86,459.60 and 35,801.93

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Solution

The fourth proportional to 62,657.69, 86,459.60 and 35,801.93 is: 49,402.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,657.69 : 86,459.60 = 35,801.93 : x
  2. Step 2: Convert to fraction form
    62,657.69/86,459.60 = 35,801.93/x
  3. Step 3: Cross multiply
    62,657.69x = 86,459.60 × 35,801.93
  4. Step 4: Simplify right side
    62,657.69x = 3,095,420,852.68
  5. Step 5: Solve for x
    x = 3,095,420,852.68/62,657.69
  6. Step 6: Final answer
    x = 49,402.09

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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.