Home / 36,896-50,917.56-20,130.08

Finding the Fourth Proportional to 36,896, 50,917.56 and 20,130.08

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Solution

The fourth proportional to 36,896, 50,917.56 and 20,130.08 is: 27,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,896 : 50,917.56 = 20,130.08 : x
  2. Step 2: Convert to fraction form
    36,896/50,917.56 = 20,130.08/x
  3. Step 3: Cross multiply
    36,896x = 50,917.56 × 20,130.08
  4. Step 4: Simplify right side
    36,896x = 1,024,974,556.20
  5. Step 5: Solve for x
    x = 1,024,974,556.20/36,896
  6. Step 6: Final answer
    x = 27,780.10

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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.