Home / 39,121.78-58,585.42-35,803.60

Finding the Fourth Proportional to 39,121.78, 58,585.42 and 35,803.60

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Solution

The fourth proportional to 39,121.78, 58,585.42 and 35,803.60 is: 53,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,121.78 : 58,585.42 = 35,803.60 : x
  2. Step 2: Convert to fraction form
    39,121.78/58,585.42 = 35,803.60/x
  3. Step 3: Cross multiply
    39,121.78x = 58,585.42 × 35,803.60
  4. Step 4: Simplify right side
    39,121.78x = 2,097,568,471.57
  5. Step 5: Solve for x
    x = 2,097,568,471.57/39,121.78
  6. Step 6: Final answer
    x = 53,616.39

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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.