Home / 51,586.21-71,201.62-31,454.18

Finding the Fourth Proportional to 51,586.21, 71,201.62 and 31,454.18

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Solution

The fourth proportional to 51,586.21, 71,201.62 and 31,454.18 is: 43,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,586.21 : 71,201.62 = 31,454.18 : x
  2. Step 2: Convert to fraction form
    51,586.21/71,201.62 = 31,454.18/x
  3. Step 3: Cross multiply
    51,586.21x = 71,201.62 × 31,454.18
  4. Step 4: Simplify right side
    51,586.21x = 2,239,588,571.77
  5. Step 5: Solve for x
    x = 2,239,588,571.77/51,586.21
  6. Step 6: Final answer
    x = 43,414.48

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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.