Home / 40,042.86-55,256.43-22,135.44

Finding the Fourth Proportional to 40,042.86, 55,256.43 and 22,135.44

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Solution

The fourth proportional to 40,042.86, 55,256.43 and 22,135.44 is: 30,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.86 : 55,256.43 = 22,135.44 : x
  2. Step 2: Convert to fraction form
    40,042.86/55,256.43 = 22,135.44/x
  3. Step 3: Cross multiply
    40,042.86x = 55,256.43 × 22,135.44
  4. Step 4: Simplify right side
    40,042.86x = 1,223,125,390.88
  5. Step 5: Solve for x
    x = 1,223,125,390.88/40,042.86
  6. Step 6: Final answer
    x = 30,545.41

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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.