Home / 55,354.12-83,025.02-19,814.04

Finding the Fourth Proportional to 55,354.12, 83,025.02 and 19,814.04

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Solution

The fourth proportional to 55,354.12, 83,025.02 and 19,814.04 is: 29,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,354.12 : 83,025.02 = 19,814.04 : x
  2. Step 2: Convert to fraction form
    55,354.12/83,025.02 = 19,814.04/x
  3. Step 3: Cross multiply
    55,354.12x = 83,025.02 × 19,814.04
  4. Step 4: Simplify right side
    55,354.12x = 1,645,061,067.28
  5. Step 5: Solve for x
    x = 1,645,061,067.28/55,354.12
  6. Step 6: Final answer
    x = 29,718.86

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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.