Home / 30,991.76-46,468.16-22,561.28

Finding the Fourth Proportional to 30,991.76, 46,468.16 and 22,561.28

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Solution

The fourth proportional to 30,991.76, 46,468.16 and 22,561.28 is: 33,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,991.76 : 46,468.16 = 22,561.28 : x
  2. Step 2: Convert to fraction form
    30,991.76/46,468.16 = 22,561.28/x
  3. Step 3: Cross multiply
    30,991.76x = 46,468.16 × 22,561.28
  4. Step 4: Simplify right side
    30,991.76x = 1,048,381,168.84
  5. Step 5: Solve for x
    x = 1,048,381,168.84/30,991.76
  6. Step 6: Final answer
    x = 33,827.74

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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.