Home / 33,228.10-49,842.15-31,915.90

Finding the Fourth Proportional to 33,228.10, 49,842.15 and 31,915.90

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Solution

The fourth proportional to 33,228.10, 49,842.15 and 31,915.90 is: 47,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,228.10 : 49,842.15 = 31,915.90 : x
  2. Step 2: Convert to fraction form
    33,228.10/49,842.15 = 31,915.90/x
  3. Step 3: Cross multiply
    33,228.10x = 49,842.15 × 31,915.90
  4. Step 4: Simplify right side
    33,228.10x = 1,590,757,075.19
  5. Step 5: Solve for x
    x = 1,590,757,075.19/33,228.10
  6. Step 6: Final answer
    x = 47,873.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.