Home / 38,477.22-53,099.40-21,249.54

Finding the Fourth Proportional to 38,477.22, 53,099.40 and 21,249.54

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Solution

The fourth proportional to 38,477.22, 53,099.40 and 21,249.54 is: 29,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,477.22 : 53,099.40 = 21,249.54 : x
  2. Step 2: Convert to fraction form
    38,477.22/53,099.40 = 21,249.54/x
  3. Step 3: Cross multiply
    38,477.22x = 53,099.40 × 21,249.54
  4. Step 4: Simplify right side
    38,477.22x = 1,128,337,452.53
  5. Step 5: Solve for x
    x = 1,128,337,452.53/38,477.22
  6. Step 6: Final answer
    x = 29,324.82

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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.