Home / 39,062.53-53,906.34-21,157.68

Finding the Fourth Proportional to 39,062.53, 53,906.34 and 21,157.68

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Solution

The fourth proportional to 39,062.53, 53,906.34 and 21,157.68 is: 29,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,062.53 : 53,906.34 = 21,157.68 : x
  2. Step 2: Convert to fraction form
    39,062.53/53,906.34 = 21,157.68/x
  3. Step 3: Cross multiply
    39,062.53x = 53,906.34 × 21,157.68
  4. Step 4: Simplify right side
    39,062.53x = 1,140,533,091.69
  5. Step 5: Solve for x
    x = 1,140,533,091.69/39,062.53
  6. Step 6: Final answer
    x = 29,197.62

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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.