Home / 38,472.74-57,703.31-12,174.06

Finding the Fourth Proportional to 38,472.74, 57,703.31 and 12,174.06

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Solution

The fourth proportional to 38,472.74, 57,703.31 and 12,174.06 is: 18,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472.74 : 57,703.31 = 12,174.06 : x
  2. Step 2: Convert to fraction form
    38,472.74/57,703.31 = 12,174.06/x
  3. Step 3: Cross multiply
    38,472.74x = 57,703.31 × 12,174.06
  4. Step 4: Simplify right side
    38,472.74x = 702,483,497.27
  5. Step 5: Solve for x
    x = 702,483,497.27/38,472.74
  6. Step 6: Final answer
    x = 18,259.26

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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.