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Finding the Fourth Proportional to 62,384.40, 86,089.44 and 34,089.44

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Solution

The fourth proportional to 62,384.40, 86,089.44 and 34,089.44 is: 47,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,384.40 : 86,089.44 = 34,089.44 : x
  2. Step 2: Convert to fraction form
    62,384.40/86,089.44 = 34,089.44/x
  3. Step 3: Cross multiply
    62,384.40x = 86,089.44 × 34,089.44
  4. Step 4: Simplify right side
    62,384.40x = 2,934,740,799.51
  5. Step 5: Solve for x
    x = 2,934,740,799.51/62,384.40
  6. Step 6: Final answer
    x = 47,042.86

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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.