Home / 29,915.10-41,285.21-16,488.81

Finding the Fourth Proportional to 29,915.10, 41,285.21 and 16,488.81

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Solution

The fourth proportional to 29,915.10, 41,285.21 and 16,488.81 is: 22,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,915.10 : 41,285.21 = 16,488.81 : x
  2. Step 2: Convert to fraction form
    29,915.10/41,285.21 = 16,488.81/x
  3. Step 3: Cross multiply
    29,915.10x = 41,285.21 × 16,488.81
  4. Step 4: Simplify right side
    29,915.10x = 680,743,901.06
  5. Step 5: Solve for x
    x = 680,743,901.06/29,915.10
  6. Step 6: Final answer
    x = 22,755.86

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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.