Home / 40,012.39-55,215.61-22,107.01

Finding the Fourth Proportional to 40,012.39, 55,215.61 and 22,107.01

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Solution

The fourth proportional to 40,012.39, 55,215.61 and 22,107.01 is: 30,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012.39 : 55,215.61 = 22,107.01 : x
  2. Step 2: Convert to fraction form
    40,012.39/55,215.61 = 22,107.01/x
  3. Step 3: Cross multiply
    40,012.39x = 55,215.61 × 22,107.01
  4. Step 4: Simplify right side
    40,012.39x = 1,220,652,042.43
  5. Step 5: Solve for x
    x = 1,220,652,042.43/40,012.39
  6. Step 6: Final answer
    x = 30,506.85

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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.