Home / 40,338.12-55,666.32-22,433.04

Finding the Fourth Proportional to 40,338.12, 55,666.32 and 22,433.04

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Solution

The fourth proportional to 40,338.12, 55,666.32 and 22,433.04 is: 30,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338.12 : 55,666.32 = 22,433.04 : x
  2. Step 2: Convert to fraction form
    40,338.12/55,666.32 = 22,433.04/x
  3. Step 3: Cross multiply
    40,338.12x = 55,666.32 × 22,433.04
  4. Step 4: Simplify right side
    40,338.12x = 1,248,764,783.21
  5. Step 5: Solve for x
    x = 1,248,764,783.21/40,338.12
  6. Step 6: Final answer
    x = 30,957.44

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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.