Home / 38,465.82-57,709.34-13,502.59

Finding the Fourth Proportional to 38,465.82, 57,709.34 and 13,502.59

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Solution

The fourth proportional to 38,465.82, 57,709.34 and 13,502.59 is: 20,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,465.82 : 57,709.34 = 13,502.59 : x
  2. Step 2: Convert to fraction form
    38,465.82/57,709.34 = 13,502.59/x
  3. Step 3: Cross multiply
    38,465.82x = 57,709.34 × 13,502.59
  4. Step 4: Simplify right side
    38,465.82x = 779,225,557.19
  5. Step 5: Solve for x
    x = 779,225,557.19/38,465.82
  6. Step 6: Final answer
    x = 20,257.61

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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.