Home / 31,399.85-43,332.03-17,059.82

Finding the Fourth Proportional to 31,399.85, 43,332.03 and 17,059.82

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Solution

The fourth proportional to 31,399.85, 43,332.03 and 17,059.82 is: 23,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.85 : 43,332.03 = 17,059.82 : x
  2. Step 2: Convert to fraction form
    31,399.85/43,332.03 = 17,059.82/x
  3. Step 3: Cross multiply
    31,399.85x = 43,332.03 × 17,059.82
  4. Step 4: Simplify right side
    31,399.85x = 739,236,415.37
  5. Step 5: Solve for x
    x = 739,236,415.37/31,399.85
  6. Step 6: Final answer
    x = 23,542.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.