Home / 54,669.54-81,704.77-39,909.54

Finding the Fourth Proportional to 54,669.54, 81,704.77 and 39,909.54

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Solution

The fourth proportional to 54,669.54, 81,704.77 and 39,909.54 is: 59,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669.54 : 81,704.77 = 39,909.54 : x
  2. Step 2: Convert to fraction form
    54,669.54/81,704.77 = 39,909.54/x
  3. Step 3: Cross multiply
    54,669.54x = 81,704.77 × 39,909.54
  4. Step 4: Simplify right side
    54,669.54x = 3,260,799,786.51
  5. Step 5: Solve for x
    x = 3,260,799,786.51/54,669.54
  6. Step 6: Final answer
    x = 59,645.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.