Home / 54,887.10-82,330.65-19,827.90

Finding the Fourth Proportional to 54,887.10, 82,330.65 and 19,827.90

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Solution

The fourth proportional to 54,887.10, 82,330.65 and 19,827.90 is: 29,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,887.10 : 82,330.65 = 19,827.90 : x
  2. Step 2: Convert to fraction form
    54,887.10/82,330.65 = 19,827.90/x
  3. Step 3: Cross multiply
    54,887.10x = 82,330.65 × 19,827.90
  4. Step 4: Simplify right side
    54,887.10x = 1,632,443,895.14
  5. Step 5: Solve for x
    x = 1,632,443,895.14/54,887.10
  6. Step 6: Final answer
    x = 29,741.85

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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.