Home / 30,054.24-41,467.40-19,431.09

Finding the Fourth Proportional to 30,054.24, 41,467.40 and 19,431.09

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Solution

The fourth proportional to 30,054.24, 41,467.40 and 19,431.09 is: 26,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,054.24 : 41,467.40 = 19,431.09 : x
  2. Step 2: Convert to fraction form
    30,054.24/41,467.40 = 19,431.09/x
  3. Step 3: Cross multiply
    30,054.24x = 41,467.40 × 19,431.09
  4. Step 4: Simplify right side
    30,054.24x = 805,756,985.55
  5. Step 5: Solve for x
    x = 805,756,985.55/30,054.24
  6. Step 6: Final answer
    x = 26,810.09

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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.