Home / 40,080.72-55,312.88-25,933.57

Finding the Fourth Proportional to 40,080.72, 55,312.88 and 25,933.57

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Solution

The fourth proportional to 40,080.72, 55,312.88 and 25,933.57 is: 35,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,080.72 : 55,312.88 = 25,933.57 : x
  2. Step 2: Convert to fraction form
    40,080.72/55,312.88 = 25,933.57/x
  3. Step 3: Cross multiply
    40,080.72x = 55,312.88 × 25,933.57
  4. Step 4: Simplify right side
    40,080.72x = 1,434,460,177.43
  5. Step 5: Solve for x
    x = 1,434,460,177.43/40,080.72
  6. Step 6: Final answer
    x = 35,789.28

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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.