Home / 55,318.77-76,340.07-30,168.27

Finding the Fourth Proportional to 55,318.77, 76,340.07 and 30,168.27

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Solution

The fourth proportional to 55,318.77, 76,340.07 and 30,168.27 is: 41,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,318.77 : 76,340.07 = 30,168.27 : x
  2. Step 2: Convert to fraction form
    55,318.77/76,340.07 = 30,168.27/x
  3. Step 3: Cross multiply
    55,318.77x = 76,340.07 × 30,168.27
  4. Step 4: Simplify right side
    55,318.77x = 2,303,047,843.58
  5. Step 5: Solve for x
    x = 2,303,047,843.58/55,318.77
  6. Step 6: Final answer
    x = 41,632.30

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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.