Home / 39,488.22-54,493.62-21,583.22

Finding the Fourth Proportional to 39,488.22, 54,493.62 and 21,583.22

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Solution

The fourth proportional to 39,488.22, 54,493.62 and 21,583.22 is: 29,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488.22 : 54,493.62 = 21,583.22 : x
  2. Step 2: Convert to fraction form
    39,488.22/54,493.62 = 21,583.22/x
  3. Step 3: Cross multiply
    39,488.22x = 54,493.62 × 21,583.22
  4. Step 4: Simplify right side
    39,488.22x = 1,176,147,516.59
  5. Step 5: Solve for x
    x = 1,176,147,516.59/39,488.22
  6. Step 6: Final answer
    x = 29,784.77

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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.