Home / 51,881.53-71,595.75-29,220.57

Finding the Fourth Proportional to 51,881.53, 71,595.75 and 29,220.57

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Solution

The fourth proportional to 51,881.53, 71,595.75 and 29,220.57 is: 40,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,881.53 : 71,595.75 = 29,220.57 : x
  2. Step 2: Convert to fraction form
    51,881.53/71,595.75 = 29,220.57/x
  3. Step 3: Cross multiply
    51,881.53x = 71,595.75 × 29,220.57
  4. Step 4: Simplify right side
    51,881.53x = 2,092,068,624.58
  5. Step 5: Solve for x
    x = 2,092,068,624.58/51,881.53
  6. Step 6: Final answer
    x = 40,323.96

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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.