Home / 57,023.96-78,673.78-36,906.28

Finding the Fourth Proportional to 57,023.96, 78,673.78 and 36,906.28

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Solution

The fourth proportional to 57,023.96, 78,673.78 and 36,906.28 is: 50,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023.96 : 78,673.78 = 36,906.28 : x
  2. Step 2: Convert to fraction form
    57,023.96/78,673.78 = 36,906.28/x
  3. Step 3: Cross multiply
    57,023.96x = 78,673.78 × 36,906.28
  4. Step 4: Simplify right side
    57,023.96x = 2,903,556,553.34
  5. Step 5: Solve for x
    x = 2,903,556,553.34/57,023.96
  6. Step 6: Final answer
    x = 50,918.19

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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.