Home / 40,381.32-55,749.40-26,996.88

Finding the Fourth Proportional to 40,381.32, 55,749.40 and 26,996.88

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Solution

The fourth proportional to 40,381.32, 55,749.40 and 26,996.88 is: 37,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381.32 : 55,749.40 = 26,996.88 : x
  2. Step 2: Convert to fraction form
    40,381.32/55,749.40 = 26,996.88/x
  3. Step 3: Cross multiply
    40,381.32x = 55,749.40 × 26,996.88
  4. Step 4: Simplify right side
    40,381.32x = 1,505,059,861.87
  5. Step 5: Solve for x
    x = 1,505,059,861.87/40,381.32
  6. Step 6: Final answer
    x = 37,271.19

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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.