Home / 30,871.86-46,206.78-16,796.76

Finding the Fourth Proportional to 30,871.86, 46,206.78 and 16,796.76

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Solution

The fourth proportional to 30,871.86, 46,206.78 and 16,796.76 is: 25,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871.86 : 46,206.78 = 16,796.76 : x
  2. Step 2: Convert to fraction form
    30,871.86/46,206.78 = 16,796.76/x
  3. Step 3: Cross multiply
    30,871.86x = 46,206.78 × 16,796.76
  4. Step 4: Simplify right side
    30,871.86x = 776,124,194.03
  5. Step 5: Solve for x
    x = 776,124,194.03/30,871.86
  6. Step 6: Final answer
    x = 25,140.18

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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.