Home / 39,565.36-54,600.24-21,661.12

Finding the Fourth Proportional to 39,565.36, 54,600.24 and 21,661.12

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Solution

The fourth proportional to 39,565.36, 54,600.24 and 21,661.12 is: 29,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,565.36 : 54,600.24 = 21,661.12 : x
  2. Step 2: Convert to fraction form
    39,565.36/54,600.24 = 21,661.12/x
  3. Step 3: Cross multiply
    39,565.36x = 54,600.24 × 21,661.12
  4. Step 4: Simplify right side
    39,565.36x = 1,182,702,350.67
  5. Step 5: Solve for x
    x = 1,182,702,350.67/39,565.36
  6. Step 6: Final answer
    x = 29,892.37

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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.