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Finding the Fourth Proportional to 62,809.98, 86,672.70 and 35,946.36

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Solution

The fourth proportional to 62,809.98, 86,672.70 and 35,946.36 is: 49,603.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,809.98 : 86,672.70 = 35,946.36 : x
  2. Step 2: Convert to fraction form
    62,809.98/86,672.70 = 35,946.36/x
  3. Step 3: Cross multiply
    62,809.98x = 86,672.70 × 35,946.36
  4. Step 4: Simplify right side
    62,809.98x = 3,115,568,076.37
  5. Step 5: Solve for x
    x = 3,115,568,076.37/62,809.98
  6. Step 6: Final answer
    x = 49,603.07

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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.