Home / 39,062.55-53,906.29-21,157.54

Finding the Fourth Proportional to 39,062.55, 53,906.29 and 21,157.54

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Solution

The fourth proportional to 39,062.55, 53,906.29 and 21,157.54 is: 29,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,062.55 : 53,906.29 = 21,157.54 : x
  2. Step 2: Convert to fraction form
    39,062.55/53,906.29 = 21,157.54/x
  3. Step 3: Cross multiply
    39,062.55x = 53,906.29 × 21,157.54
  4. Step 4: Simplify right side
    39,062.55x = 1,140,524,486.93
  5. Step 5: Solve for x
    x = 1,140,524,486.93/39,062.55
  6. Step 6: Final answer
    x = 29,197.39

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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.