Home / 29,918.70-41,288.09-16,490.45

Finding the Fourth Proportional to 29,918.70, 41,288.09 and 16,490.45

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Solution

The fourth proportional to 29,918.70, 41,288.09 and 16,490.45 is: 22,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,918.70 : 41,288.09 = 16,490.45 : x
  2. Step 2: Convert to fraction form
    29,918.70/41,288.09 = 16,490.45/x
  3. Step 3: Cross multiply
    29,918.70x = 41,288.09 × 16,490.45
  4. Step 4: Simplify right side
    29,918.70x = 680,859,204.51
  5. Step 5: Solve for x
    x = 680,859,204.51/29,918.70
  6. Step 6: Final answer
    x = 22,756.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.