Home / 54,025.03-81,038.00-18,964.69

Finding the Fourth Proportional to 54,025.03, 81,038.00 and 18,964.69

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Solution

The fourth proportional to 54,025.03, 81,038.00 and 18,964.69 is: 28,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,025.03 : 81,038.00 = 18,964.69 : x
  2. Step 2: Convert to fraction form
    54,025.03/81,038.00 = 18,964.69/x
  3. Step 3: Cross multiply
    54,025.03x = 81,038.00 × 18,964.69
  4. Step 4: Simplify right side
    54,025.03x = 1,536,860,393.04
  5. Step 5: Solve for x
    x = 1,536,860,393.04/54,025.03
  6. Step 6: Final answer
    x = 28,447.19

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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.