Home / 47,833.99-71,706.69-21,165.84

Finding the Fourth Proportional to 47,833.99, 71,706.69 and 21,165.84

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Solution

The fourth proportional to 47,833.99, 71,706.69 and 21,165.84 is: 31,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,833.99 : 71,706.69 = 21,165.84 : x
  2. Step 2: Convert to fraction form
    47,833.99/71,706.69 = 21,165.84/x
  3. Step 3: Cross multiply
    47,833.99x = 71,706.69 × 21,165.84
  4. Step 4: Simplify right side
    47,833.99x = 1,517,732,327.47
  5. Step 5: Solve for x
    x = 1,517,732,327.47/47,833.99
  6. Step 6: Final answer
    x = 31,729.16

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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.