Home / 30,033.05-45,022.37-14,228.19

Finding the Fourth Proportional to 30,033.05, 45,022.37 and 14,228.19

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Solution

The fourth proportional to 30,033.05, 45,022.37 and 14,228.19 is: 21,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033.05 : 45,022.37 = 14,228.19 : x
  2. Step 2: Convert to fraction form
    30,033.05/45,022.37 = 14,228.19/x
  3. Step 3: Cross multiply
    30,033.05x = 45,022.37 × 14,228.19
  4. Step 4: Simplify right side
    30,033.05x = 640,586,763.47
  5. Step 5: Solve for x
    x = 640,586,763.47/30,033.05
  6. Step 6: Final answer
    x = 21,329.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.