Home / 39,462.17-54,455.76-21,553.73

Finding the Fourth Proportional to 39,462.17, 54,455.76 and 21,553.73

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Solution

The fourth proportional to 39,462.17, 54,455.76 and 21,553.73 is: 29,743.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,462.17 : 54,455.76 = 21,553.73 : x
  2. Step 2: Convert to fraction form
    39,462.17/54,455.76 = 21,553.73/x
  3. Step 3: Cross multiply
    39,462.17x = 54,455.76 × 21,553.73
  4. Step 4: Simplify right side
    39,462.17x = 1,173,724,679.92
  5. Step 5: Solve for x
    x = 1,173,724,679.92/39,462.17
  6. Step 6: Final answer
    x = 29,743.03

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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.