Home / 51,929.79-71,662.99-28,056.39

Finding the Fourth Proportional to 51,929.79, 71,662.99 and 28,056.39

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Solution

The fourth proportional to 51,929.79, 71,662.99 and 28,056.39 is: 38,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,929.79 : 71,662.99 = 28,056.39 : x
  2. Step 2: Convert to fraction form
    51,929.79/71,662.99 = 28,056.39/x
  3. Step 3: Cross multiply
    51,929.79x = 71,662.99 × 28,056.39
  4. Step 4: Simplify right side
    51,929.79x = 2,010,604,796.01
  5. Step 5: Solve for x
    x = 2,010,604,796.01/51,929.79
  6. Step 6: Final answer
    x = 38,717.75

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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.