Home / 39,791.56-59,688.03-13,496.98

Finding the Fourth Proportional to 39,791.56, 59,688.03 and 13,496.98

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Solution

The fourth proportional to 39,791.56, 59,688.03 and 13,496.98 is: 20,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,791.56 : 59,688.03 = 13,496.98 : x
  2. Step 2: Convert to fraction form
    39,791.56/59,688.03 = 13,496.98/x
  3. Step 3: Cross multiply
    39,791.56x = 59,688.03 × 13,496.98
  4. Step 4: Simplify right side
    39,791.56x = 805,608,147.15
  5. Step 5: Solve for x
    x = 805,608,147.15/39,791.56
  6. Step 6: Final answer
    x = 20,245.70

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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.