Home / 39,811.55-59,754.24-20,103.93

Finding the Fourth Proportional to 39,811.55, 59,754.24 and 20,103.93

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Solution

The fourth proportional to 39,811.55, 59,754.24 and 20,103.93 is: 30,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.55 : 59,754.24 = 20,103.93 : x
  2. Step 2: Convert to fraction form
    39,811.55/59,754.24 = 20,103.93/x
  3. Step 3: Cross multiply
    39,811.55x = 59,754.24 × 20,103.93
  4. Step 4: Simplify right side
    39,811.55x = 1,201,295,058.16
  5. Step 5: Solve for x
    x = 1,201,295,058.16/39,811.55
  6. Step 6: Final answer
    x = 30,174.54

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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.