Home / 38,659.36-57,890.58-25,471.76

Finding the Fourth Proportional to 38,659.36, 57,890.58 and 25,471.76

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Solution

The fourth proportional to 38,659.36, 57,890.58 and 25,471.76 is: 38,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.36 : 57,890.58 = 25,471.76 : x
  2. Step 2: Convert to fraction form
    38,659.36/57,890.58 = 25,471.76/x
  3. Step 3: Cross multiply
    38,659.36x = 57,890.58 × 25,471.76
  4. Step 4: Simplify right side
    38,659.36x = 1,474,574,960.02
  5. Step 5: Solve for x
    x = 1,474,574,960.02/38,659.36
  6. Step 6: Final answer
    x = 38,142.77

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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.