Home / 54,699.24-82,052.88-19,639.20

Finding the Fourth Proportional to 54,699.24, 82,052.88 and 19,639.20

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Solution

The fourth proportional to 54,699.24, 82,052.88 and 19,639.20 is: 29,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,699.24 : 82,052.88 = 19,639.20 : x
  2. Step 2: Convert to fraction form
    54,699.24/82,052.88 = 19,639.20/x
  3. Step 3: Cross multiply
    54,699.24x = 82,052.88 × 19,639.20
  4. Step 4: Simplify right side
    54,699.24x = 1,611,452,920.90
  5. Step 5: Solve for x
    x = 1,611,452,920.90/54,699.24
  6. Step 6: Final answer
    x = 29,460.24

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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.