Home / 66,426.50-91,667.68-36,211.34

Finding the Fourth Proportional to 66,426.50, 91,667.68 and 36,211.34

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Solution

The fourth proportional to 66,426.50, 91,667.68 and 36,211.34 is: 49,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426.50 : 91,667.68 = 36,211.34 : x
  2. Step 2: Convert to fraction form
    66,426.50/91,667.68 = 36,211.34/x
  3. Step 3: Cross multiply
    66,426.50x = 91,667.68 × 36,211.34
  4. Step 4: Simplify right side
    66,426.50x = 3,319,408,978.62
  5. Step 5: Solve for x
    x = 3,319,408,978.62/66,426.50
  6. Step 6: Final answer
    x = 49,971.16

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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.