Home / 54,054.82-74,583.66-31,380.76

Finding the Fourth Proportional to 54,054.82, 74,583.66 and 31,380.76

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Solution

The fourth proportional to 54,054.82, 74,583.66 and 31,380.76 is: 43,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,054.82 : 74,583.66 = 31,380.76 : x
  2. Step 2: Convert to fraction form
    54,054.82/74,583.66 = 31,380.76/x
  3. Step 3: Cross multiply
    54,054.82x = 74,583.66 × 31,380.76
  4. Step 4: Simplify right side
    54,054.82x = 2,340,491,934.38
  5. Step 5: Solve for x
    x = 2,340,491,934.38/54,054.82
  6. Step 6: Final answer
    x = 43,298.49

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Half scale
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Double scale
Find fourth proportional to 54,055.82, 74,585.04 and 31,381.76
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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.