Home / 35,670.69-53,508.33-11,977.28

Finding the Fourth Proportional to 35,670.69, 53,508.33 and 11,977.28

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Solution

The fourth proportional to 35,670.69, 53,508.33 and 11,977.28 is: 17,966.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,670.69 : 53,508.33 = 11,977.28 : x
  2. Step 2: Convert to fraction form
    35,670.69/53,508.33 = 11,977.28/x
  3. Step 3: Cross multiply
    35,670.69x = 53,508.33 × 11,977.28
  4. Step 4: Simplify right side
    35,670.69x = 640,884,183.86
  5. Step 5: Solve for x
    x = 640,884,183.86/35,670.69
  6. Step 6: Final answer
    x = 17,966.69

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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.