Home / 54,907.83-82,305.18-21,614.40

Finding the Fourth Proportional to 54,907.83, 82,305.18 and 21,614.40

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Solution

The fourth proportional to 54,907.83, 82,305.18 and 21,614.40 is: 32,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,907.83 : 82,305.18 = 21,614.40 : x
  2. Step 2: Convert to fraction form
    54,907.83/82,305.18 = 21,614.40/x
  3. Step 3: Cross multiply
    54,907.83x = 82,305.18 × 21,614.40
  4. Step 4: Simplify right side
    54,907.83x = 1,778,977,082.59
  5. Step 5: Solve for x
    x = 1,778,977,082.59/54,907.83
  6. Step 6: Final answer
    x = 32,399.33

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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.