Home / 30,099.33-41,543.97-20,028.18

Finding the Fourth Proportional to 30,099.33, 41,543.97 and 20,028.18

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Solution

The fourth proportional to 30,099.33, 41,543.97 and 20,028.18 is: 27,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,099.33 : 41,543.97 = 20,028.18 : x
  2. Step 2: Convert to fraction form
    30,099.33/41,543.97 = 20,028.18/x
  3. Step 3: Cross multiply
    30,099.33x = 41,543.97 × 20,028.18
  4. Step 4: Simplify right side
    30,099.33x = 832,050,109.07
  5. Step 5: Solve for x
    x = 832,050,109.07/30,099.33
  6. Step 6: Final answer
    x = 27,643.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.