Home / 45,438.37-68,172.84-23,245.79

Finding the Fourth Proportional to 45,438.37, 68,172.84 and 23,245.79

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Solution

The fourth proportional to 45,438.37, 68,172.84 and 23,245.79 is: 34,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.37 : 68,172.84 = 23,245.79 : x
  2. Step 2: Convert to fraction form
    45,438.37/68,172.84 = 23,245.79/x
  3. Step 3: Cross multiply
    45,438.37x = 68,172.84 × 23,245.79
  4. Step 4: Simplify right side
    45,438.37x = 1,584,731,181.48
  5. Step 5: Solve for x
    x = 1,584,731,181.48/45,438.37
  6. Step 6: Final answer
    x = 34,876.50

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1.5x scale

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.