Home / 39,372.29-54,332.77-21,467.64

Finding the Fourth Proportional to 39,372.29, 54,332.77 and 21,467.64

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Solution

The fourth proportional to 39,372.29, 54,332.77 and 21,467.64 is: 29,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.29 : 54,332.77 = 21,467.64 : x
  2. Step 2: Convert to fraction form
    39,372.29/54,332.77 = 21,467.64/x
  3. Step 3: Cross multiply
    39,372.29x = 54,332.77 × 21,467.64
  4. Step 4: Simplify right side
    39,372.29x = 1,166,396,346.56
  5. Step 5: Solve for x
    x = 1,166,396,346.56/39,372.29
  6. Step 6: Final answer
    x = 29,624.80

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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.