Home / 55,480.21-76,563.87-30,329.71

Finding the Fourth Proportional to 55,480.21, 76,563.87 and 30,329.71

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Solution

The fourth proportional to 55,480.21, 76,563.87 and 30,329.71 is: 41,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,480.21 : 76,563.87 = 30,329.71 : x
  2. Step 2: Convert to fraction form
    55,480.21/76,563.87 = 30,329.71/x
  3. Step 3: Cross multiply
    55,480.21x = 76,563.87 × 30,329.71
  4. Step 4: Simplify right side
    55,480.21x = 2,322,159,973.58
  5. Step 5: Solve for x
    x = 2,322,159,973.58/55,480.21
  6. Step 6: Final answer
    x = 41,855.64

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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.