Home / 39,708.37-54,760.95-26,980.60

Finding the Fourth Proportional to 39,708.37, 54,760.95 and 26,980.60

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Solution

The fourth proportional to 39,708.37, 54,760.95 and 26,980.60 is: 37,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,708.37 : 54,760.95 = 26,980.60 : x
  2. Step 2: Convert to fraction form
    39,708.37/54,760.95 = 26,980.60/x
  3. Step 3: Cross multiply
    39,708.37x = 54,760.95 × 26,980.60
  4. Step 4: Simplify right side
    39,708.37x = 1,477,483,287.57
  5. Step 5: Solve for x
    x = 1,477,483,287.57/39,708.37
  6. Step 6: Final answer
    x = 37,208.36

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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.