Home / 33,122.10-49,654.08-13,145.70

Finding the Fourth Proportional to 33,122.10, 49,654.08 and 13,145.70

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Solution

The fourth proportional to 33,122.10, 49,654.08 and 13,145.70 is: 19,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,122.10 : 49,654.08 = 13,145.70 : x
  2. Step 2: Convert to fraction form
    33,122.10/49,654.08 = 13,145.70/x
  3. Step 3: Cross multiply
    33,122.10x = 49,654.08 × 13,145.70
  4. Step 4: Simplify right side
    33,122.10x = 652,737,509.38
  5. Step 5: Solve for x
    x = 652,737,509.38/33,122.10
  6. Step 6: Final answer
    x = 19,707.01

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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.