Home / 51,916.32-71,644.57-28,043.02

Finding the Fourth Proportional to 51,916.32, 71,644.57 and 28,043.02

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Solution

The fourth proportional to 51,916.32, 71,644.57 and 28,043.02 is: 38,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,916.32 : 71,644.57 = 28,043.02 : x
  2. Step 2: Convert to fraction form
    51,916.32/71,644.57 = 28,043.02/x
  3. Step 3: Cross multiply
    51,916.32x = 71,644.57 × 28,043.02
  4. Step 4: Simplify right side
    51,916.32x = 2,009,129,840.73
  5. Step 5: Solve for x
    x = 2,009,129,840.73/51,916.32
  6. Step 6: Final answer
    x = 38,699.39

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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.