Home / 35,905.73-53,786.58-21,666.05

Finding the Fourth Proportional to 35,905.73, 53,786.58 and 21,666.05

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Solution

The fourth proportional to 35,905.73, 53,786.58 and 21,666.05 is: 32,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.73 : 53,786.58 = 21,666.05 : x
  2. Step 2: Convert to fraction form
    35,905.73/53,786.58 = 21,666.05/x
  3. Step 3: Cross multiply
    35,905.73x = 53,786.58 × 21,666.05
  4. Step 4: Simplify right side
    35,905.73x = 1,165,342,731.61
  5. Step 5: Solve for x
    x = 1,165,342,731.61/35,905.73
  6. Step 6: Final answer
    x = 32,455.62

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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.