Home / 34,661.33-51,986.28-12,470.57

Finding the Fourth Proportional to 34,661.33, 51,986.28 and 12,470.57

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Solution

The fourth proportional to 34,661.33, 51,986.28 and 12,470.57 is: 18,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,661.33 : 51,986.28 = 12,470.57 : x
  2. Step 2: Convert to fraction form
    34,661.33/51,986.28 = 12,470.57/x
  3. Step 3: Cross multiply
    34,661.33x = 51,986.28 × 12,470.57
  4. Step 4: Simplify right side
    34,661.33x = 648,298,543.78
  5. Step 5: Solve for x
    x = 648,298,543.78/34,661.33
  6. Step 6: Final answer
    x = 18,703.80

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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.