Home / 51,293.56-70,817.11-33,153.78

Finding the Fourth Proportional to 51,293.56, 70,817.11 and 33,153.78

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Solution

The fourth proportional to 51,293.56, 70,817.11 and 33,153.78 is: 45,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293.56 : 70,817.11 = 33,153.78 : x
  2. Step 2: Convert to fraction form
    51,293.56/70,817.11 = 33,153.78/x
  3. Step 3: Cross multiply
    51,293.56x = 70,817.11 × 33,153.78
  4. Step 4: Simplify right side
    51,293.56x = 2,347,854,531.09
  5. Step 5: Solve for x
    x = 2,347,854,531.09/51,293.56
  6. Step 6: Final answer
    x = 45,772.89

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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.