Home / 40,042.59-55,257.96-22,138.35

Finding the Fourth Proportional to 40,042.59, 55,257.96 and 22,138.35

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Solution

The fourth proportional to 40,042.59, 55,257.96 and 22,138.35 is: 30,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.59 : 55,257.96 = 22,138.35 : x
  2. Step 2: Convert to fraction form
    40,042.59/55,257.96 = 22,138.35/x
  3. Step 3: Cross multiply
    40,042.59x = 55,257.96 × 22,138.35
  4. Step 4: Simplify right side
    40,042.59x = 1,223,320,058.77
  5. Step 5: Solve for x
    x = 1,223,320,058.77/40,042.59
  6. Step 6: Final answer
    x = 30,550.47

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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.