Home / 57,289.56-79,060.20-31,796.40

Finding the Fourth Proportional to 57,289.56, 79,060.20 and 31,796.40

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Solution

The fourth proportional to 57,289.56, 79,060.20 and 31,796.40 is: 43,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,289.56 : 79,060.20 = 31,796.40 : x
  2. Step 2: Convert to fraction form
    57,289.56/79,060.20 = 31,796.40/x
  3. Step 3: Cross multiply
    57,289.56x = 79,060.20 × 31,796.40
  4. Step 4: Simplify right side
    57,289.56x = 2,513,829,743.28
  5. Step 5: Solve for x
    x = 2,513,829,743.28/57,289.56
  6. Step 6: Final answer
    x = 43,879.37

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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.