Home / 40,304.65-55,620.02-22,399.30

Finding the Fourth Proportional to 40,304.65, 55,620.02 and 22,399.30

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Solution

The fourth proportional to 40,304.65, 55,620.02 and 22,399.30 is: 30,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,304.65 : 55,620.02 = 22,399.30 : x
  2. Step 2: Convert to fraction form
    40,304.65/55,620.02 = 22,399.30/x
  3. Step 3: Cross multiply
    40,304.65x = 55,620.02 × 22,399.30
  4. Step 4: Simplify right side
    40,304.65x = 1,245,849,513.99
  5. Step 5: Solve for x
    x = 1,245,849,513.99/40,304.65
  6. Step 6: Final answer
    x = 30,910.81

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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.