Home / 51,588.64-71,221.82-39,466.79

Finding the Fourth Proportional to 51,588.64, 71,221.82 and 39,466.79

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Solution

The fourth proportional to 51,588.64, 71,221.82 and 39,466.79 is: 54,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,588.64 : 71,221.82 = 39,466.79 : x
  2. Step 2: Convert to fraction form
    51,588.64/71,221.82 = 39,466.79/x
  3. Step 3: Cross multiply
    51,588.64x = 71,221.82 × 39,466.79
  4. Step 4: Simplify right side
    51,588.64x = 2,810,896,059.91
  5. Step 5: Solve for x
    x = 2,810,896,059.91/51,588.64
  6. Step 6: Final answer
    x = 54,486.73

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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.