Home / 40,042.58-55,257.35-22,137.12

Finding the Fourth Proportional to 40,042.58, 55,257.35 and 22,137.12

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Solution

The fourth proportional to 40,042.58, 55,257.35 and 22,137.12 is: 30,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.58 : 55,257.35 = 22,137.12 : x
  2. Step 2: Convert to fraction form
    40,042.58/55,257.35 = 22,137.12/x
  3. Step 3: Cross multiply
    40,042.58x = 55,257.35 × 22,137.12
  4. Step 4: Simplify right side
    40,042.58x = 1,223,238,477.15
  5. Step 5: Solve for x
    x = 1,223,238,477.15/40,042.58
  6. Step 6: Final answer
    x = 30,548.45

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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.