Home / 38,111.86-57,202.93-19,405.38

Finding the Fourth Proportional to 38,111.86, 57,202.93 and 19,405.38

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Solution

The fourth proportional to 38,111.86, 57,202.93 and 19,405.38 is: 29,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.86 : 57,202.93 = 19,405.38 : x
  2. Step 2: Convert to fraction form
    38,111.86/57,202.93 = 19,405.38/x
  3. Step 3: Cross multiply
    38,111.86x = 57,202.93 × 19,405.38
  4. Step 4: Simplify right side
    38,111.86x = 1,110,044,832.53
  5. Step 5: Solve for x
    x = 1,110,044,832.53/38,111.86
  6. Step 6: Final answer
    x = 29,125.97

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1.5x scale

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.