Home / 45,374.78-68,015.70-15,768.27

Finding the Fourth Proportional to 45,374.78, 68,015.70 and 15,768.27

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Solution

The fourth proportional to 45,374.78, 68,015.70 and 15,768.27 is: 23,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,374.78 : 68,015.70 = 15,768.27 : x
  2. Step 2: Convert to fraction form
    45,374.78/68,015.70 = 15,768.27/x
  3. Step 3: Cross multiply
    45,374.78x = 68,015.70 × 15,768.27
  4. Step 4: Simplify right side
    45,374.78x = 1,072,489,921.84
  5. Step 5: Solve for x
    x = 1,072,489,921.84/45,374.78
  6. Step 6: Final answer
    x = 23,636.25

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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.