Home / 30,033.09-41,429.97-18,700.77

Finding the Fourth Proportional to 30,033.09, 41,429.97 and 18,700.77

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Solution

The fourth proportional to 30,033.09, 41,429.97 and 18,700.77 is: 25,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033.09 : 41,429.97 = 18,700.77 : x
  2. Step 2: Convert to fraction form
    30,033.09/41,429.97 = 18,700.77/x
  3. Step 3: Cross multiply
    30,033.09x = 41,429.97 × 18,700.77
  4. Step 4: Simplify right side
    30,033.09x = 774,772,340.08
  5. Step 5: Solve for x
    x = 774,772,340.08/30,033.09
  6. Step 6: Final answer
    x = 25,797.29

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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.