Home / 29,809.80-41,137.26-16,381.20

Finding the Fourth Proportional to 29,809.80, 41,137.26 and 16,381.20

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Solution

The fourth proportional to 29,809.80, 41,137.26 and 16,381.20 is: 22,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809.80 : 41,137.26 = 16,381.20 : x
  2. Step 2: Convert to fraction form
    29,809.80/41,137.26 = 16,381.20/x
  3. Step 3: Cross multiply
    29,809.80x = 41,137.26 × 16,381.20
  4. Step 4: Simplify right side
    29,809.80x = 673,877,683.51
  5. Step 5: Solve for x
    x = 673,877,683.51/29,809.80
  6. Step 6: Final answer
    x = 22,605.91

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1.5x scale

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.