Home / 40,572.09-60,858.27-12,491.96

Finding the Fourth Proportional to 40,572.09, 60,858.27 and 12,491.96

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Solution

The fourth proportional to 40,572.09, 60,858.27 and 12,491.96 is: 18,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,572.09 : 60,858.27 = 12,491.96 : x
  2. Step 2: Convert to fraction form
    40,572.09/60,858.27 = 12,491.96/x
  3. Step 3: Cross multiply
    40,572.09x = 60,858.27 × 12,491.96
  4. Step 4: Simplify right side
    40,572.09x = 760,238,770.22
  5. Step 5: Solve for x
    x = 760,238,770.22/40,572.09
  6. Step 6: Final answer
    x = 18,737.97

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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.