Home / 40,191.63-55,464.23-22,289.28

Finding the Fourth Proportional to 40,191.63, 55,464.23 and 22,289.28

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Solution

The fourth proportional to 40,191.63, 55,464.23 and 22,289.28 is: 30,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,191.63 : 55,464.23 = 22,289.28 : x
  2. Step 2: Convert to fraction form
    40,191.63/55,464.23 = 22,289.28/x
  3. Step 3: Cross multiply
    40,191.63x = 55,464.23 × 22,289.28
  4. Step 4: Simplify right side
    40,191.63x = 1,236,257,752.45
  5. Step 5: Solve for x
    x = 1,236,257,752.45/40,191.63
  6. Step 6: Final answer
    x = 30,759.08

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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.