Home / 30,769.77-46,150.55-8,581.29

Finding the Fourth Proportional to 30,769.77, 46,150.55 and 8,581.29

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Solution

The fourth proportional to 30,769.77, 46,150.55 and 8,581.29 is: 12,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.77 : 46,150.55 = 8,581.29 : x
  2. Step 2: Convert to fraction form
    30,769.77/46,150.55 = 8,581.29/x
  3. Step 3: Cross multiply
    30,769.77x = 46,150.55 × 8,581.29
  4. Step 4: Simplify right side
    30,769.77x = 396,031,085.51
  5. Step 5: Solve for x
    x = 396,031,085.51/30,769.77
  6. Step 6: Final answer
    x = 12,870.79

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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.