Home / 54,284.83-81,417.67-20,977.52

Finding the Fourth Proportional to 54,284.83, 81,417.67 and 20,977.52

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Solution

The fourth proportional to 54,284.83, 81,417.67 and 20,977.52 is: 31,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,284.83 : 81,417.67 = 20,977.52 : x
  2. Step 2: Convert to fraction form
    54,284.83/81,417.67 = 20,977.52/x
  3. Step 3: Cross multiply
    54,284.83x = 81,417.67 × 20,977.52
  4. Step 4: Simplify right side
    54,284.83x = 1,707,940,459.24
  5. Step 5: Solve for x
    x = 1,707,940,459.24/54,284.83
  6. Step 6: Final answer
    x = 31,462.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.