Home / 66,427.23-91,667.43-36,212.07

Finding the Fourth Proportional to 66,427.23, 91,667.43 and 36,212.07

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Solution

The fourth proportional to 66,427.23, 91,667.43 and 36,212.07 is: 49,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427.23 : 91,667.43 = 36,212.07 : x
  2. Step 2: Convert to fraction form
    66,427.23/91,667.43 = 36,212.07/x
  3. Step 3: Cross multiply
    66,427.23x = 91,667.43 × 36,212.07
  4. Step 4: Simplify right side
    66,427.23x = 3,319,467,391.88
  5. Step 5: Solve for x
    x = 3,319,467,391.88/66,427.23
  6. Step 6: Final answer
    x = 49,971.49

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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.