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Finding the Fourth Proportional to 62,662.36, 86,476.26 and 34,368.16

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Solution

The fourth proportional to 62,662.36, 86,476.26 and 34,368.16 is: 47,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,662.36 : 86,476.26 = 34,368.16 : x
  2. Step 2: Convert to fraction form
    62,662.36/86,476.26 = 34,368.16/x
  3. Step 3: Cross multiply
    62,662.36x = 86,476.26 × 34,368.16
  4. Step 4: Simplify right side
    62,662.36x = 2,972,029,939.88
  5. Step 5: Solve for x
    x = 2,972,029,939.88/62,662.36
  6. Step 6: Final answer
    x = 47,429.27

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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.