Home / 29,782.49-41,109.05-19,172.11

Finding the Fourth Proportional to 29,782.49, 41,109.05 and 19,172.11

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Solution

The fourth proportional to 29,782.49, 41,109.05 and 19,172.11 is: 26,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,782.49 : 41,109.05 = 19,172.11 : x
  2. Step 2: Convert to fraction form
    29,782.49/41,109.05 = 19,172.11/x
  3. Step 3: Cross multiply
    29,782.49x = 41,109.05 × 19,172.11
  4. Step 4: Simplify right side
    29,782.49x = 788,147,250.83
  5. Step 5: Solve for x
    x = 788,147,250.83/29,782.49
  6. Step 6: Final answer
    x = 26,463.45

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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.