Home / 54,369.12-81,539.10-14,916.72

Finding the Fourth Proportional to 54,369.12, 81,539.10 and 14,916.72

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Solution

The fourth proportional to 54,369.12, 81,539.10 and 14,916.72 is: 22,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369.12 : 81,539.10 = 14,916.72 : x
  2. Step 2: Convert to fraction form
    54,369.12/81,539.10 = 14,916.72/x
  3. Step 3: Cross multiply
    54,369.12x = 81,539.10 × 14,916.72
  4. Step 4: Simplify right side
    54,369.12x = 1,216,295,923.75
  5. Step 5: Solve for x
    x = 1,216,295,923.75/54,369.12
  6. Step 6: Final answer
    x = 22,371.08

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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.