Home / 55,757.55-76,945.52-31,884.22

Finding the Fourth Proportional to 55,757.55, 76,945.52 and 31,884.22

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Solution

The fourth proportional to 55,757.55, 76,945.52 and 31,884.22 is: 44,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,757.55 : 76,945.52 = 31,884.22 : x
  2. Step 2: Convert to fraction form
    55,757.55/76,945.52 = 31,884.22/x
  3. Step 3: Cross multiply
    55,757.55x = 76,945.52 × 31,884.22
  4. Step 4: Simplify right side
    55,757.55x = 2,453,347,541.09
  5. Step 5: Solve for x
    x = 2,453,347,541.09/55,757.55
  6. Step 6: Final answer
    x = 44,000.28

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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.