Home / 38,536.67-53,176.33-21,769.67

Finding the Fourth Proportional to 38,536.67, 53,176.33 and 21,769.67

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Solution

The fourth proportional to 38,536.67, 53,176.33 and 21,769.67 is: 30,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,536.67 : 53,176.33 = 21,769.67 : x
  2. Step 2: Convert to fraction form
    38,536.67/53,176.33 = 21,769.67/x
  3. Step 3: Cross multiply
    38,536.67x = 53,176.33 × 21,769.67
  4. Step 4: Simplify right side
    38,536.67x = 1,157,631,316.06
  5. Step 5: Solve for x
    x = 1,157,631,316.06/38,536.67
  6. Step 6: Final answer
    x = 30,039.73

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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.