Home / 30,587.66-45,865.91-11,873.06

Finding the Fourth Proportional to 30,587.66, 45,865.91 and 11,873.06

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Solution

The fourth proportional to 30,587.66, 45,865.91 and 11,873.06 is: 17,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587.66 : 45,865.91 = 11,873.06 : x
  2. Step 2: Convert to fraction form
    30,587.66/45,865.91 = 11,873.06/x
  3. Step 3: Cross multiply
    30,587.66x = 45,865.91 × 11,873.06
  4. Step 4: Simplify right side
    30,587.66x = 544,568,412.69
  5. Step 5: Solve for x
    x = 544,568,412.69/30,587.66
  6. Step 6: Final answer
    x = 17,803.54

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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.