Home / 34,002.72-46,926-19,665.45

Finding the Fourth Proportional to 34,002.72, 46,926 and 19,665.45

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Solution

The fourth proportional to 34,002.72, 46,926 and 19,665.45 is: 27,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,002.72 : 46,926 = 19,665.45 : x
  2. Step 2: Convert to fraction form
    34,002.72/46,926 = 19,665.45/x
  3. Step 3: Cross multiply
    34,002.72x = 46,926 × 19,665.45
  4. Step 4: Simplify right side
    34,002.72x = 922,820,906.70
  5. Step 5: Solve for x
    x = 922,820,906.70/34,002.72
  6. Step 6: Final answer
    x = 27,139.62

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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.