Home / 30,991.32-46,461.06-14,363.28

Finding the Fourth Proportional to 30,991.32, 46,461.06 and 14,363.28

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Solution

The fourth proportional to 30,991.32, 46,461.06 and 14,363.28 is: 21,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,991.32 : 46,461.06 = 14,363.28 : x
  2. Step 2: Convert to fraction form
    30,991.32/46,461.06 = 14,363.28/x
  3. Step 3: Cross multiply
    30,991.32x = 46,461.06 × 14,363.28
  4. Step 4: Simplify right side
    30,991.32x = 667,333,213.88
  5. Step 5: Solve for x
    x = 667,333,213.88/30,991.32
  6. Step 6: Final answer
    x = 21,532.91

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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.