Home / 29,181.99-40,287.74-19,274.79

Finding the Fourth Proportional to 29,181.99, 40,287.74 and 19,274.79

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Solution

The fourth proportional to 29,181.99, 40,287.74 and 19,274.79 is: 26,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,181.99 : 40,287.74 = 19,274.79 : x
  2. Step 2: Convert to fraction form
    29,181.99/40,287.74 = 19,274.79/x
  3. Step 3: Cross multiply
    29,181.99x = 40,287.74 × 19,274.79
  4. Step 4: Simplify right side
    29,181.99x = 776,537,631.70
  5. Step 5: Solve for x
    x = 776,537,631.70/29,181.99
  6. Step 6: Final answer
    x = 26,610.17

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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.