Home / 41,133.49-56,709.32-30,881.12

Finding the Fourth Proportional to 41,133.49, 56,709.32 and 30,881.12

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Solution

The fourth proportional to 41,133.49, 56,709.32 and 30,881.12 is: 42,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,133.49 : 56,709.32 = 30,881.12 : x
  2. Step 2: Convert to fraction form
    41,133.49/56,709.32 = 30,881.12/x
  3. Step 3: Cross multiply
    41,133.49x = 56,709.32 × 30,881.12
  4. Step 4: Simplify right side
    41,133.49x = 1,751,246,878.09
  5. Step 5: Solve for x
    x = 1,751,246,878.09/41,133.49
  6. Step 6: Final answer
    x = 42,574.72

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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.