Home / 39,133.26-54,002.43-21,227.67

Finding the Fourth Proportional to 39,133.26, 54,002.43 and 21,227.67

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Solution

The fourth proportional to 39,133.26, 54,002.43 and 21,227.67 is: 29,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,133.26 : 54,002.43 = 21,227.67 : x
  2. Step 2: Convert to fraction form
    39,133.26/54,002.43 = 21,227.67/x
  3. Step 3: Cross multiply
    39,133.26x = 54,002.43 × 21,227.67
  4. Step 4: Simplify right side
    39,133.26x = 1,146,345,763.24
  5. Step 5: Solve for x
    x = 1,146,345,763.24/39,133.26
  6. Step 6: Final answer
    x = 29,293.39

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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.