Home / 40,133.66-55,385.51-22,230.23

Finding the Fourth Proportional to 40,133.66, 55,385.51 and 22,230.23

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Solution

The fourth proportional to 40,133.66, 55,385.51 and 22,230.23 is: 30,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,133.66 : 55,385.51 = 22,230.23 : x
  2. Step 2: Convert to fraction form
    40,133.66/55,385.51 = 22,230.23/x
  3. Step 3: Cross multiply
    40,133.66x = 55,385.51 × 22,230.23
  4. Step 4: Simplify right side
    40,133.66x = 1,231,232,237.89
  5. Step 5: Solve for x
    x = 1,231,232,237.89/40,133.66
  6. Step 6: Final answer
    x = 30,678.30

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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.