Home / 57,839.09-79,816.44-31,998.59

Finding the Fourth Proportional to 57,839.09, 79,816.44 and 31,998.59

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Solution

The fourth proportional to 57,839.09, 79,816.44 and 31,998.59 is: 44,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,839.09 : 79,816.44 = 31,998.59 : x
  2. Step 2: Convert to fraction form
    57,839.09/79,816.44 = 31,998.59/x
  3. Step 3: Cross multiply
    57,839.09x = 79,816.44 × 31,998.59
  4. Step 4: Simplify right side
    57,839.09x = 2,554,013,538.82
  5. Step 5: Solve for x
    x = 2,554,013,538.82/57,839.09
  6. Step 6: Final answer
    x = 44,157.22

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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.