Home / 54,892.68-75,749.94-31,018.83

Finding the Fourth Proportional to 54,892.68, 75,749.94 and 31,018.83

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Solution

The fourth proportional to 54,892.68, 75,749.94 and 31,018.83 is: 42,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,892.68 : 75,749.94 = 31,018.83 : x
  2. Step 2: Convert to fraction form
    54,892.68/75,749.94 = 31,018.83/x
  3. Step 3: Cross multiply
    54,892.68x = 75,749.94 × 31,018.83
  4. Step 4: Simplify right side
    54,892.68x = 2,349,674,511.37
  5. Step 5: Solve for x
    x = 2,349,674,511.37/54,892.68
  6. Step 6: Final answer
    x = 42,804.88

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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.