Home / 31,735.85-47,595.94-13,021.20

Finding the Fourth Proportional to 31,735.85, 47,595.94 and 13,021.20

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Solution

The fourth proportional to 31,735.85, 47,595.94 and 13,021.20 is: 19,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,735.85 : 47,595.94 = 13,021.20 : x
  2. Step 2: Convert to fraction form
    31,735.85/47,595.94 = 13,021.20/x
  3. Step 3: Cross multiply
    31,735.85x = 47,595.94 × 13,021.20
  4. Step 4: Simplify right side
    31,735.85x = 619,756,221.38
  5. Step 5: Solve for x
    x = 619,756,221.38/31,735.85
  6. Step 6: Final answer
    x = 19,528.59

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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.