Home / 40,228.13-55,515.03-22,323.12

Finding the Fourth Proportional to 40,228.13, 55,515.03 and 22,323.12

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Solution

The fourth proportional to 40,228.13, 55,515.03 and 22,323.12 is: 30,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,228.13 : 55,515.03 = 22,323.12 : x
  2. Step 2: Convert to fraction form
    40,228.13/55,515.03 = 22,323.12/x
  3. Step 3: Cross multiply
    40,228.13x = 55,515.03 × 22,323.12
  4. Step 4: Simplify right side
    40,228.13x = 1,239,268,676.49
  5. Step 5: Solve for x
    x = 1,239,268,676.49/40,228.13
  6. Step 6: Final answer
    x = 30,806.02

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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.