Home / 38,495.79-57,747.65-10,415.97

Finding the Fourth Proportional to 38,495.79, 57,747.65 and 10,415.97

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Solution

The fourth proportional to 38,495.79, 57,747.65 and 10,415.97 is: 15,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,495.79 : 57,747.65 = 10,415.97 : x
  2. Step 2: Convert to fraction form
    38,495.79/57,747.65 = 10,415.97/x
  3. Step 3: Cross multiply
    38,495.79x = 57,747.65 × 10,415.97
  4. Step 4: Simplify right side
    38,495.79x = 601,497,737.89
  5. Step 5: Solve for x
    x = 601,497,737.89/38,495.79
  6. Step 6: Final answer
    x = 15,625.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.