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Finding the Fourth Proportional to 62,347.44, 86,039.47 and 34,053.20

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Solution

The fourth proportional to 62,347.44, 86,039.47 and 34,053.20 is: 46,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,347.44 : 86,039.47 = 34,053.20 : x
  2. Step 2: Convert to fraction form
    62,347.44/86,039.47 = 34,053.20/x
  3. Step 3: Cross multiply
    62,347.44x = 86,039.47 × 34,053.20
  4. Step 4: Simplify right side
    62,347.44x = 2,929,918,679.34
  5. Step 5: Solve for x
    x = 2,929,918,679.34/62,347.44
  6. Step 6: Final answer
    x = 46,993.41

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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.