Home / 50,220.78-75,283.08-18,622.32

Finding the Fourth Proportional to 50,220.78, 75,283.08 and 18,622.32

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Solution

The fourth proportional to 50,220.78, 75,283.08 and 18,622.32 is: 27,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,220.78 : 75,283.08 = 18,622.32 : x
  2. Step 2: Convert to fraction form
    50,220.78/75,283.08 = 18,622.32/x
  3. Step 3: Cross multiply
    50,220.78x = 75,283.08 × 18,622.32
  4. Step 4: Simplify right side
    50,220.78x = 1,401,945,606.35
  5. Step 5: Solve for x
    x = 1,401,945,606.35/50,220.78
  6. Step 6: Final answer
    x = 27,915.65

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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.