Home / 40,135.34-55,386.83-22,230.30

Finding the Fourth Proportional to 40,135.34, 55,386.83 and 22,230.30

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Solution

The fourth proportional to 40,135.34, 55,386.83 and 22,230.30 is: 30,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.34 : 55,386.83 = 22,230.30 : x
  2. Step 2: Convert to fraction form
    40,135.34/55,386.83 = 22,230.30/x
  3. Step 3: Cross multiply
    40,135.34x = 55,386.83 × 22,230.30
  4. Step 4: Simplify right side
    40,135.34x = 1,231,265,735.80
  5. Step 5: Solve for x
    x = 1,231,265,735.80/40,135.34
  6. Step 6: Final answer
    x = 30,677.85

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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.