Home / 38,236.99-52,775.48-21,247.07

Finding the Fourth Proportional to 38,236.99, 52,775.48 and 21,247.07

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Solution

The fourth proportional to 38,236.99, 52,775.48 and 21,247.07 is: 29,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,236.99 : 52,775.48 = 21,247.07 : x
  2. Step 2: Convert to fraction form
    38,236.99/52,775.48 = 21,247.07/x
  3. Step 3: Cross multiply
    38,236.99x = 52,775.48 × 21,247.07
  4. Step 4: Simplify right side
    38,236.99x = 1,121,324,317.84
  5. Step 5: Solve for x
    x = 1,121,324,317.84/38,236.99
  6. Step 6: Final answer
    x = 29,325.64

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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.