Home / 38,074.36-57,100.58-13,113.40

Finding the Fourth Proportional to 38,074.36, 57,100.58 and 13,113.40

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Solution

The fourth proportional to 38,074.36, 57,100.58 and 13,113.40 is: 19,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.36 : 57,100.58 = 13,113.40 : x
  2. Step 2: Convert to fraction form
    38,074.36/57,100.58 = 13,113.40/x
  3. Step 3: Cross multiply
    38,074.36x = 57,100.58 × 13,113.40
  4. Step 4: Simplify right side
    38,074.36x = 748,782,745.77
  5. Step 5: Solve for x
    x = 748,782,745.77/38,074.36
  6. Step 6: Final answer
    x = 19,666.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.