Home / 53,839.14-80,759.04-18,778.84

Finding the Fourth Proportional to 53,839.14, 80,759.04 and 18,778.84

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Solution

The fourth proportional to 53,839.14, 80,759.04 and 18,778.84 is: 28,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,839.14 : 80,759.04 = 18,778.84 : x
  2. Step 2: Convert to fraction form
    53,839.14/80,759.04 = 18,778.84/x
  3. Step 3: Cross multiply
    53,839.14x = 80,759.04 × 18,778.84
  4. Step 4: Simplify right side
    53,839.14x = 1,516,561,090.71
  5. Step 5: Solve for x
    x = 1,516,561,090.71/53,839.14
  6. Step 6: Final answer
    x = 28,168.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.