Home / 29,767.64-41,081.40-19,678.59

Finding the Fourth Proportional to 29,767.64, 41,081.40 and 19,678.59

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Solution

The fourth proportional to 29,767.64, 41,081.40 and 19,678.59 is: 27,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,767.64 : 41,081.40 = 19,678.59 : x
  2. Step 2: Convert to fraction form
    29,767.64/41,081.40 = 19,678.59/x
  3. Step 3: Cross multiply
    29,767.64x = 41,081.40 × 19,678.59
  4. Step 4: Simplify right side
    29,767.64x = 808,423,873.17
  5. Step 5: Solve for x
    x = 808,423,873.17/29,767.64
  6. Step 6: Final answer
    x = 27,157.81

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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.