Home / 51,686.08-71,321.23-29,027.54

Finding the Fourth Proportional to 51,686.08, 71,321.23 and 29,027.54

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Solution

The fourth proportional to 51,686.08, 71,321.23 and 29,027.54 is: 40,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686.08 : 71,321.23 = 29,027.54 : x
  2. Step 2: Convert to fraction form
    51,686.08/71,321.23 = 29,027.54/x
  3. Step 3: Cross multiply
    51,686.08x = 71,321.23 × 29,027.54
  4. Step 4: Simplify right side
    51,686.08x = 2,070,279,856.67
  5. Step 5: Solve for x
    x = 2,070,279,856.67/51,686.08
  6. Step 6: Final answer
    x = 40,054.88

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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.