Home / 51,916.75-71,645.06-28,043.42

Finding the Fourth Proportional to 51,916.75, 71,645.06 and 28,043.42

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Solution

The fourth proportional to 51,916.75, 71,645.06 and 28,043.42 is: 38,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,916.75 : 71,645.06 = 28,043.42 : x
  2. Step 2: Convert to fraction form
    51,916.75/71,645.06 = 28,043.42/x
  3. Step 3: Cross multiply
    51,916.75x = 71,645.06 × 28,043.42
  4. Step 4: Simplify right side
    51,916.75x = 2,009,172,220.39
  5. Step 5: Solve for x
    x = 2,009,172,220.39/51,916.75
  6. Step 6: Final answer
    x = 38,699.89

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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.