Home / 39,021.72-53,849.91-22,029.54

Finding the Fourth Proportional to 39,021.72, 53,849.91 and 22,029.54

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Solution

The fourth proportional to 39,021.72, 53,849.91 and 22,029.54 is: 30,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021.72 : 53,849.91 = 22,029.54 : x
  2. Step 2: Convert to fraction form
    39,021.72/53,849.91 = 22,029.54/x
  3. Step 3: Cross multiply
    39,021.72x = 53,849.91 × 22,029.54
  4. Step 4: Simplify right side
    39,021.72x = 1,186,288,746.34
  5. Step 5: Solve for x
    x = 1,186,288,746.34/39,021.72
  6. Step 6: Final answer
    x = 30,400.73

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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.