Home / 40,143.24-55,427.22-37,157.76

Finding the Fourth Proportional to 40,143.24, 55,427.22 and 37,157.76

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Solution

The fourth proportional to 40,143.24, 55,427.22 and 37,157.76 is: 51,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.24 : 55,427.22 = 37,157.76 : x
  2. Step 2: Convert to fraction form
    40,143.24/55,427.22 = 37,157.76/x
  3. Step 3: Cross multiply
    40,143.24x = 55,427.22 × 37,157.76
  4. Step 4: Simplify right side
    40,143.24x = 2,059,551,338.23
  5. Step 5: Solve for x
    x = 2,059,551,338.23/40,143.24
  6. Step 6: Final answer
    x = 51,305.06

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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.