Home / 20,489.09-30,733.66-5,698.01

Finding the Fourth Proportional to 20,489.09, 30,733.66 and 5,698.01

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Solution

The fourth proportional to 20,489.09, 30,733.66 and 5,698.01 is: 8,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,489.09 : 30,733.66 = 5,698.01 : x
  2. Step 2: Convert to fraction form
    20,489.09/30,733.66 = 5,698.01/x
  3. Step 3: Cross multiply
    20,489.09x = 30,733.66 × 5,698.01
  4. Step 4: Simplify right side
    20,489.09x = 175,120,785.97
  5. Step 5: Solve for x
    x = 175,120,785.97/20,489.09
  6. Step 6: Final answer
    x = 8,547.03

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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.