Home / 55,389.72-82,938.78-33,150.36

Finding the Fourth Proportional to 55,389.72, 82,938.78 and 33,150.36

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Solution

The fourth proportional to 55,389.72, 82,938.78 and 33,150.36 is: 49,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389.72 : 82,938.78 = 33,150.36 : x
  2. Step 2: Convert to fraction form
    55,389.72/82,938.78 = 33,150.36/x
  3. Step 3: Cross multiply
    55,389.72x = 82,938.78 × 33,150.36
  4. Step 4: Simplify right side
    55,389.72x = 2,749,450,414.96
  5. Step 5: Solve for x
    x = 2,749,450,414.96/55,389.72
  6. Step 6: Final answer
    x = 49,638.28

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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.