Home / 54,784.52-82,127.43-19,699.50

Finding the Fourth Proportional to 54,784.52, 82,127.43 and 19,699.50

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Solution

The fourth proportional to 54,784.52, 82,127.43 and 19,699.50 is: 29,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,784.52 : 82,127.43 = 19,699.50 : x
  2. Step 2: Convert to fraction form
    54,784.52/82,127.43 = 19,699.50/x
  3. Step 3: Cross multiply
    54,784.52x = 82,127.43 × 19,699.50
  4. Step 4: Simplify right side
    54,784.52x = 1,617,869,307.29
  5. Step 5: Solve for x
    x = 1,617,869,307.29/54,784.52
  6. Step 6: Final answer
    x = 29,531.51

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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.