Home / 39,758.97-59,638.48-18,683.54

Finding the Fourth Proportional to 39,758.97, 59,638.48 and 18,683.54

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Solution

The fourth proportional to 39,758.97, 59,638.48 and 18,683.54 is: 28,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,758.97 : 59,638.48 = 18,683.54 : x
  2. Step 2: Convert to fraction form
    39,758.97/59,638.48 = 18,683.54/x
  3. Step 3: Cross multiply
    39,758.97x = 59,638.48 × 18,683.54
  4. Step 4: Simplify right side
    39,758.97x = 1,114,258,140.83
  5. Step 5: Solve for x
    x = 1,114,258,140.83/39,758.97
  6. Step 6: Final answer
    x = 28,025.33

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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.