Home / 40,169.04-55,438.20-23,403.12

Finding the Fourth Proportional to 40,169.04, 55,438.20 and 23,403.12

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Solution

The fourth proportional to 40,169.04, 55,438.20 and 23,403.12 is: 32,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169.04 : 55,438.20 = 23,403.12 : x
  2. Step 2: Convert to fraction form
    40,169.04/55,438.20 = 23,403.12/x
  3. Step 3: Cross multiply
    40,169.04x = 55,438.20 × 23,403.12
  4. Step 4: Simplify right side
    40,169.04x = 1,297,426,847.18
  5. Step 5: Solve for x
    x = 1,297,426,847.18/40,169.04
  6. Step 6: Final answer
    x = 32,299.17

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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.