Home / 34,543.86-51,708.53-18,709.56

Finding the Fourth Proportional to 34,543.86, 51,708.53 and 18,709.56

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Solution

The fourth proportional to 34,543.86, 51,708.53 and 18,709.56 is: 28,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,543.86 : 51,708.53 = 18,709.56 : x
  2. Step 2: Convert to fraction form
    34,543.86/51,708.53 = 18,709.56/x
  3. Step 3: Cross multiply
    34,543.86x = 51,708.53 × 18,709.56
  4. Step 4: Simplify right side
    34,543.86x = 967,443,858.79
  5. Step 5: Solve for x
    x = 967,443,858.79/34,543.86
  6. Step 6: Final answer
    x = 28,006.25

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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.