Home / 29,821.96-41,151-17,885.80

Finding the Fourth Proportional to 29,821.96, 41,151 and 17,885.80

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Solution

The fourth proportional to 29,821.96, 41,151 and 17,885.80 is: 24,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821.96 : 41,151 = 17,885.80 : x
  2. Step 2: Convert to fraction form
    29,821.96/41,151 = 17,885.80/x
  3. Step 3: Cross multiply
    29,821.96x = 41,151 × 17,885.80
  4. Step 4: Simplify right side
    29,821.96x = 736,018,555.80
  5. Step 5: Solve for x
    x = 736,018,555.80/29,821.96
  6. Step 6: Final answer
    x = 24,680.42

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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.