Home / 40,947.74-56,538.67-40,293.81

Finding the Fourth Proportional to 40,947.74, 56,538.67 and 40,293.81

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Solution

The fourth proportional to 40,947.74, 56,538.67 and 40,293.81 is: 55,635.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,947.74 : 56,538.67 = 40,293.81 : x
  2. Step 2: Convert to fraction form
    40,947.74/56,538.67 = 40,293.81/x
  3. Step 3: Cross multiply
    40,947.74x = 56,538.67 × 40,293.81
  4. Step 4: Simplify right side
    40,947.74x = 2,278,158,325.90
  5. Step 5: Solve for x
    x = 2,278,158,325.90/40,947.74
  6. Step 6: Final answer
    x = 55,635.76

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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.