Home / 57,620.82-86,430.37-35,138.10

Finding the Fourth Proportional to 57,620.82, 86,430.37 and 35,138.10

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Solution

The fourth proportional to 57,620.82, 86,430.37 and 35,138.10 is: 52,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,620.82 : 86,430.37 = 35,138.10 : x
  2. Step 2: Convert to fraction form
    57,620.82/86,430.37 = 35,138.10/x
  3. Step 3: Cross multiply
    57,620.82x = 86,430.37 × 35,138.10
  4. Step 4: Simplify right side
    57,620.82x = 3,036,998,808.41
  5. Step 5: Solve for x
    x = 3,036,998,808.41/57,620.82
  6. Step 6: Final answer
    x = 52,706.63

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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.