Home / 39,483.09-54,489.30-22,259.71

Finding the Fourth Proportional to 39,483.09, 54,489.30 and 22,259.71

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Solution

The fourth proportional to 39,483.09, 54,489.30 and 22,259.71 is: 30,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,483.09 : 54,489.30 = 22,259.71 : x
  2. Step 2: Convert to fraction form
    39,483.09/54,489.30 = 22,259.71/x
  3. Step 3: Cross multiply
    39,483.09x = 54,489.30 × 22,259.71
  4. Step 4: Simplify right side
    39,483.09x = 1,212,915,879.88
  5. Step 5: Solve for x
    x = 1,212,915,879.88/39,483.09
  6. Step 6: Final answer
    x = 30,719.88

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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.