Home / 54,039.56-74,561.46-31,679.24

Finding the Fourth Proportional to 54,039.56, 74,561.46 and 31,679.24

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Solution

The fourth proportional to 54,039.56, 74,561.46 and 31,679.24 is: 43,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,039.56 : 74,561.46 = 31,679.24 : x
  2. Step 2: Convert to fraction form
    54,039.56/74,561.46 = 31,679.24/x
  3. Step 3: Cross multiply
    54,039.56x = 74,561.46 × 31,679.24
  4. Step 4: Simplify right side
    54,039.56x = 2,362,050,386.09
  5. Step 5: Solve for x
    x = 2,362,050,386.09/54,039.56
  6. Step 6: Final answer
    x = 43,709.65

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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.