Home / 20,055.39-30,110.69-10,201.33

Finding the Fourth Proportional to 20,055.39, 30,110.69 and 10,201.33

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Solution

The fourth proportional to 20,055.39, 30,110.69 and 10,201.33 is: 15,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.39 : 30,110.69 = 10,201.33 : x
  2. Step 2: Convert to fraction form
    20,055.39/30,110.69 = 10,201.33/x
  3. Step 3: Cross multiply
    20,055.39x = 30,110.69 × 10,201.33
  4. Step 4: Simplify right side
    20,055.39x = 307,169,085.22
  5. Step 5: Solve for x
    x = 307,169,085.22/20,055.39
  6. Step 6: Final answer
    x = 15,316.04

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1.5x scale

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.