Home / 31,643.00-47,441.06-19,160.09

Finding the Fourth Proportional to 31,643.00, 47,441.06 and 19,160.09

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Solution

The fourth proportional to 31,643.00, 47,441.06 and 19,160.09 is: 28,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,643.00 : 47,441.06 = 19,160.09 : x
  2. Step 2: Convert to fraction form
    31,643.00/47,441.06 = 19,160.09/x
  3. Step 3: Cross multiply
    31,643.00x = 47,441.06 × 19,160.09
  4. Step 4: Simplify right side
    31,643.00x = 908,974,646.29
  5. Step 5: Solve for x
    x = 908,974,646.29/31,643.00
  6. Step 6: Final answer
    x = 28,725.94

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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.