Home / 35,639.04-49,149.36-30,601.68

Finding the Fourth Proportional to 35,639.04, 49,149.36 and 30,601.68

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Solution

The fourth proportional to 35,639.04, 49,149.36 and 30,601.68 is: 42,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639.04 : 49,149.36 = 30,601.68 : x
  2. Step 2: Convert to fraction form
    35,639.04/49,149.36 = 30,601.68/x
  3. Step 3: Cross multiply
    35,639.04x = 49,149.36 × 30,601.68
  4. Step 4: Simplify right side
    35,639.04x = 1,504,052,986.92
  5. Step 5: Solve for x
    x = 1,504,052,986.92/35,639.04
  6. Step 6: Final answer
    x = 42,202.40

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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.