Home / 39,324.50-54,267.52-21,419.45

Finding the Fourth Proportional to 39,324.50, 54,267.52 and 21,419.45

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Solution

The fourth proportional to 39,324.50, 54,267.52 and 21,419.45 is: 29,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,324.50 : 54,267.52 = 21,419.45 : x
  2. Step 2: Convert to fraction form
    39,324.50/54,267.52 = 21,419.45/x
  3. Step 3: Cross multiply
    39,324.50x = 54,267.52 × 21,419.45
  4. Step 4: Simplify right side
    39,324.50x = 1,162,380,431.26
  5. Step 5: Solve for x
    x = 1,162,380,431.26/39,324.50
  6. Step 6: Final answer
    x = 29,558.68

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Double scale
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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.