Home / 39,161.22-54,042.52-21,256.24

Finding the Fourth Proportional to 39,161.22, 54,042.52 and 21,256.24

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Solution

The fourth proportional to 39,161.22, 54,042.52 and 21,256.24 is: 29,333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.22 : 54,042.52 = 21,256.24 : x
  2. Step 2: Convert to fraction form
    39,161.22/54,042.52 = 21,256.24/x
  3. Step 3: Cross multiply
    39,161.22x = 54,042.52 × 21,256.24
  4. Step 4: Simplify right side
    39,161.22x = 1,148,740,775.32
  5. Step 5: Solve for x
    x = 1,148,740,775.32/39,161.22
  6. Step 6: Final answer
    x = 29,333.63

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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.