Home / 33,290.39-45,940.67-19,143.24

Finding the Fourth Proportional to 33,290.39, 45,940.67 and 19,143.24

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Solution

The fourth proportional to 33,290.39, 45,940.67 and 19,143.24 is: 26,417.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,290.39 : 45,940.67 = 19,143.24 : x
  2. Step 2: Convert to fraction form
    33,290.39/45,940.67 = 19,143.24/x
  3. Step 3: Cross multiply
    33,290.39x = 45,940.67 × 19,143.24
  4. Step 4: Simplify right side
    33,290.39x = 879,453,075.36
  5. Step 5: Solve for x
    x = 879,453,075.36/33,290.39
  6. Step 6: Final answer
    x = 26,417.62

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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.