Home / 57,840.09-79,817.82-31,999.59

Finding the Fourth Proportional to 57,840.09, 79,817.82 and 31,999.59

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Solution

The fourth proportional to 57,840.09, 79,817.82 and 31,999.59 is: 44,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,840.09 : 79,817.82 = 31,999.59 : x
  2. Step 2: Convert to fraction form
    57,840.09/79,817.82 = 31,999.59/x
  3. Step 3: Cross multiply
    57,840.09x = 79,817.82 × 31,999.59
  4. Step 4: Simplify right side
    57,840.09x = 2,554,137,514.69
  5. Step 5: Solve for x
    x = 2,554,137,514.69/57,840.09
  6. Step 6: Final answer
    x = 44,158.60

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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.