Home / 40,113.12-55,330.44-32,174.40

Finding the Fourth Proportional to 40,113.12, 55,330.44 and 32,174.40

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Solution

The fourth proportional to 40,113.12, 55,330.44 and 32,174.40 is: 44,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,113.12 : 55,330.44 = 32,174.40 : x
  2. Step 2: Convert to fraction form
    40,113.12/55,330.44 = 32,174.40/x
  3. Step 3: Cross multiply
    40,113.12x = 55,330.44 × 32,174.40
  4. Step 4: Simplify right side
    40,113.12x = 1,780,223,708.74
  5. Step 5: Solve for x
    x = 1,780,223,708.74/40,113.12
  6. Step 6: Final answer
    x = 44,380.09

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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.