Home / 54,818.60-82,177.50-19,749.68

Finding the Fourth Proportional to 54,818.60, 82,177.50 and 19,749.68

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Solution

The fourth proportional to 54,818.60, 82,177.50 and 19,749.68 is: 29,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,818.60 : 82,177.50 = 19,749.68 : x
  2. Step 2: Convert to fraction form
    54,818.60/82,177.50 = 19,749.68/x
  3. Step 3: Cross multiply
    54,818.60x = 82,177.50 × 19,749.68
  4. Step 4: Simplify right side
    54,818.60x = 1,622,979,328.20
  5. Step 5: Solve for x
    x = 1,622,979,328.20/54,818.60
  6. Step 6: Final answer
    x = 29,606.36

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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.