Home / 39,383.37-59,078.73-15,685.20

Finding the Fourth Proportional to 39,383.37, 59,078.73 and 15,685.20

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Solution

The fourth proportional to 39,383.37, 59,078.73 and 15,685.20 is: 23,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383.37 : 59,078.73 = 15,685.20 : x
  2. Step 2: Convert to fraction form
    39,383.37/59,078.73 = 15,685.20/x
  3. Step 3: Cross multiply
    39,383.37x = 59,078.73 × 15,685.20
  4. Step 4: Simplify right side
    39,383.37x = 926,661,695.80
  5. Step 5: Solve for x
    x = 926,661,695.80/39,383.37
  6. Step 6: Final answer
    x = 23,529.26

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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.