Home / 54,943.59-82,415.31-19,875.03

Finding the Fourth Proportional to 54,943.59, 82,415.31 and 19,875.03

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Solution

The fourth proportional to 54,943.59, 82,415.31 and 19,875.03 is: 29,812.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,943.59 : 82,415.31 = 19,875.03 : x
  2. Step 2: Convert to fraction form
    54,943.59/82,415.31 = 19,875.03/x
  3. Step 3: Cross multiply
    54,943.59x = 82,415.31 × 19,875.03
  4. Step 4: Simplify right side
    54,943.59x = 1,638,006,758.71
  5. Step 5: Solve for x
    x = 1,638,006,758.71/54,943.59
  6. Step 6: Final answer
    x = 29,812.52

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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.