Home / 35,981.69-53,976.13-11,021.45

Finding the Fourth Proportional to 35,981.69, 53,976.13 and 11,021.45

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Solution

The fourth proportional to 35,981.69, 53,976.13 and 11,021.45 is: 16,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.69 : 53,976.13 = 11,021.45 : x
  2. Step 2: Convert to fraction form
    35,981.69/53,976.13 = 11,021.45/x
  3. Step 3: Cross multiply
    35,981.69x = 53,976.13 × 11,021.45
  4. Step 4: Simplify right side
    35,981.69x = 594,894,920.55
  5. Step 5: Solve for x
    x = 594,894,920.55/35,981.69
  6. Step 6: Final answer
    x = 16,533.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.