Home / 39,968.94-55,149.76-25,631.34

Finding the Fourth Proportional to 39,968.94, 55,149.76 and 25,631.34

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Solution

The fourth proportional to 39,968.94, 55,149.76 and 25,631.34 is: 35,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.94 : 55,149.76 = 25,631.34 : x
  2. Step 2: Convert to fraction form
    39,968.94/55,149.76 = 25,631.34/x
  3. Step 3: Cross multiply
    39,968.94x = 55,149.76 × 25,631.34
  4. Step 4: Simplify right side
    39,968.94x = 1,413,562,074.71
  5. Step 5: Solve for x
    x = 1,413,562,074.71/39,968.94
  6. Step 6: Final answer
    x = 35,366.51

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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.