Home / 38,045.79-57,080.82-15,861.51

Finding the Fourth Proportional to 38,045.79, 57,080.82 and 15,861.51

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Solution

The fourth proportional to 38,045.79, 57,080.82 and 15,861.51 is: 23,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,045.79 : 57,080.82 = 15,861.51 : x
  2. Step 2: Convert to fraction form
    38,045.79/57,080.82 = 15,861.51/x
  3. Step 3: Cross multiply
    38,045.79x = 57,080.82 × 15,861.51
  4. Step 4: Simplify right side
    38,045.79x = 905,387,997.24
  5. Step 5: Solve for x
    x = 905,387,997.24/38,045.79
  6. Step 6: Final answer
    x = 23,797.32

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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.