Home / 40,042.63-55,259.45-22,137.31

Finding the Fourth Proportional to 40,042.63, 55,259.45 and 22,137.31

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Solution

The fourth proportional to 40,042.63, 55,259.45 and 22,137.31 is: 30,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.63 : 55,259.45 = 22,137.31 : x
  2. Step 2: Convert to fraction form
    40,042.63/55,259.45 = 22,137.31/x
  3. Step 3: Cross multiply
    40,042.63x = 55,259.45 × 22,137.31
  4. Step 4: Simplify right side
    40,042.63x = 1,223,295,575.08
  5. Step 5: Solve for x
    x = 1,223,295,575.08/40,042.63
  6. Step 6: Final answer
    x = 30,549.83

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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.