Home / 40,208.38-55,487.36-22,303.20

Finding the Fourth Proportional to 40,208.38, 55,487.36 and 22,303.20

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Solution

The fourth proportional to 40,208.38, 55,487.36 and 22,303.20 is: 30,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208.38 : 55,487.36 = 22,303.20 : x
  2. Step 2: Convert to fraction form
    40,208.38/55,487.36 = 22,303.20/x
  3. Step 3: Cross multiply
    40,208.38x = 55,487.36 × 22,303.20
  4. Step 4: Simplify right side
    40,208.38x = 1,237,545,687.55
  5. Step 5: Solve for x
    x = 1,237,545,687.55/40,208.38
  6. Step 6: Final answer
    x = 30,778.30

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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.