Home / 40,786.77-61,155.86-14,124

Finding the Fourth Proportional to 40,786.77, 61,155.86 and 14,124

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Solution

The fourth proportional to 40,786.77, 61,155.86 and 14,124 is: 21,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.77 : 61,155.86 = 14,124 : x
  2. Step 2: Convert to fraction form
    40,786.77/61,155.86 = 14,124/x
  3. Step 3: Cross multiply
    40,786.77x = 61,155.86 × 14,124
  4. Step 4: Simplify right side
    40,786.77x = 863,765,296.02
  5. Step 5: Solve for x
    x = 863,765,296.02/40,786.77
  6. Step 6: Final answer
    x = 21,177.59

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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.