Home / 66,662.08-100,033.62-31,605.28

Finding the Fourth Proportional to 66,662.08, 100,033.62 and 31,605.28

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Solution

The fourth proportional to 66,662.08, 100,033.62 and 31,605.28 is: 47,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,662.08 : 100,033.62 = 31,605.28 : x
  2. Step 2: Convert to fraction form
    66,662.08/100,033.62 = 31,605.28/x
  3. Step 3: Cross multiply
    66,662.08x = 100,033.62 × 31,605.28
  4. Step 4: Simplify right side
    66,662.08x = 3,161,590,569.51
  5. Step 5: Solve for x
    x = 3,161,590,569.51/66,662.08
  6. Step 6: Final answer
    x = 47,427.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.