Home / 39,880.56-55,016.64-25,533.60

Finding the Fourth Proportional to 39,880.56, 55,016.64 and 25,533.60

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Solution

The fourth proportional to 39,880.56, 55,016.64 and 25,533.60 is: 35,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880.56 : 55,016.64 = 25,533.60 : x
  2. Step 2: Convert to fraction form
    39,880.56/55,016.64 = 25,533.60/x
  3. Step 3: Cross multiply
    39,880.56x = 55,016.64 × 25,533.60
  4. Step 4: Simplify right side
    39,880.56x = 1,404,772,879.10
  5. Step 5: Solve for x
    x = 1,404,772,879.10/39,880.56
  6. Step 6: Final answer
    x = 35,224.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.