Home / 29,817.18-41,147.80-16,389.81

Finding the Fourth Proportional to 29,817.18, 41,147.80 and 16,389.81

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Solution

The fourth proportional to 29,817.18, 41,147.80 and 16,389.81 is: 22,617.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,817.18 : 41,147.80 = 16,389.81 : x
  2. Step 2: Convert to fraction form
    29,817.18/41,147.80 = 16,389.81/x
  3. Step 3: Cross multiply
    29,817.18x = 41,147.80 × 16,389.81
  4. Step 4: Simplify right side
    29,817.18x = 674,404,582.94
  5. Step 5: Solve for x
    x = 674,404,582.94/29,817.18
  6. Step 6: Final answer
    x = 22,617.99

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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.