Home / 40,004.88-55,170.84-33,312.64

Finding the Fourth Proportional to 40,004.88, 55,170.84 and 33,312.64

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Solution

The fourth proportional to 40,004.88, 55,170.84 and 33,312.64 is: 45,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,004.88 : 55,170.84 = 33,312.64 : x
  2. Step 2: Convert to fraction form
    40,004.88/55,170.84 = 33,312.64/x
  3. Step 3: Cross multiply
    40,004.88x = 55,170.84 × 33,312.64
  4. Step 4: Simplify right side
    40,004.88x = 1,837,886,331.42
  5. Step 5: Solve for x
    x = 1,837,886,331.42/40,004.88
  6. Step 6: Final answer
    x = 45,941.55

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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.