Home / 54,631.53-81,953.64-19,081.85

Finding the Fourth Proportional to 54,631.53, 81,953.64 and 19,081.85

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Solution

The fourth proportional to 54,631.53, 81,953.64 and 19,081.85 is: 28,624.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,631.53 : 81,953.64 = 19,081.85 : x
  2. Step 2: Convert to fraction form
    54,631.53/81,953.64 = 19,081.85/x
  3. Step 3: Cross multiply
    54,631.53x = 81,953.64 × 19,081.85
  4. Step 4: Simplify right side
    54,631.53x = 1,563,826,655.67
  5. Step 5: Solve for x
    x = 1,563,826,655.67/54,631.53
  6. Step 6: Final answer
    x = 28,624.98

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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.