Home / 40,135.57-55,384.65-22,229.51

Finding the Fourth Proportional to 40,135.57, 55,384.65 and 22,229.51

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Solution

The fourth proportional to 40,135.57, 55,384.65 and 22,229.51 is: 30,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.57 : 55,384.65 = 22,229.51 : x
  2. Step 2: Convert to fraction form
    40,135.57/55,384.65 = 22,229.51/x
  3. Step 3: Cross multiply
    40,135.57x = 55,384.65 × 22,229.51
  4. Step 4: Simplify right side
    40,135.57x = 1,231,173,519.87
  5. Step 5: Solve for x
    x = 1,231,173,519.87/40,135.57
  6. Step 6: Final answer
    x = 30,675.37

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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.