Home / 34,186.24-47,178.16-19,845

Finding the Fourth Proportional to 34,186.24, 47,178.16 and 19,845

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Solution

The fourth proportional to 34,186.24, 47,178.16 and 19,845 is: 27,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,186.24 : 47,178.16 = 19,845 : x
  2. Step 2: Convert to fraction form
    34,186.24/47,178.16 = 19,845/x
  3. Step 3: Cross multiply
    34,186.24x = 47,178.16 × 19,845
  4. Step 4: Simplify right side
    34,186.24x = 936,250,585.20
  5. Step 5: Solve for x
    x = 936,250,585.20/34,186.24
  6. Step 6: Final answer
    x = 27,386.77

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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.