Home / 45,619.82-68,364.57-20,597.72

Finding the Fourth Proportional to 45,619.82, 68,364.57 and 20,597.72

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Solution

The fourth proportional to 45,619.82, 68,364.57 and 20,597.72 is: 30,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,619.82 : 68,364.57 = 20,597.72 : x
  2. Step 2: Convert to fraction form
    45,619.82/68,364.57 = 20,597.72/x
  3. Step 3: Cross multiply
    45,619.82x = 68,364.57 × 20,597.72
  4. Step 4: Simplify right side
    45,619.82x = 1,408,154,270.78
  5. Step 5: Solve for x
    x = 1,408,154,270.78/45,619.82
  6. Step 6: Final answer
    x = 30,867.16

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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.