Home / 39,913.88-55,081.09-22,008.93

Finding the Fourth Proportional to 39,913.88, 55,081.09 and 22,008.93

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Solution

The fourth proportional to 39,913.88, 55,081.09 and 22,008.93 is: 30,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.88 : 55,081.09 = 22,008.93 : x
  2. Step 2: Convert to fraction form
    39,913.88/55,081.09 = 22,008.93/x
  3. Step 3: Cross multiply
    39,913.88x = 55,081.09 × 22,008.93
  4. Step 4: Simplify right side
    39,913.88x = 1,212,275,854.13
  5. Step 5: Solve for x
    x = 1,212,275,854.13/39,913.88
  6. Step 6: Final answer
    x = 30,372.29

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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.