Home / 39,556.62-54,587.67-21,406.92

Finding the Fourth Proportional to 39,556.62, 54,587.67 and 21,406.92

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Solution

The fourth proportional to 39,556.62, 54,587.67 and 21,406.92 is: 29,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556.62 : 54,587.67 = 21,406.92 : x
  2. Step 2: Convert to fraction form
    39,556.62/54,587.67 = 21,406.92/x
  3. Step 3: Cross multiply
    39,556.62x = 54,587.67 × 21,406.92
  4. Step 4: Simplify right side
    39,556.62x = 1,168,553,884.68
  5. Step 5: Solve for x
    x = 1,168,553,884.68/39,556.62
  6. Step 6: Final answer
    x = 29,541.30

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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.