Home / 54,878.34-82,317.51-19,818.03

Finding the Fourth Proportional to 54,878.34, 82,317.51 and 19,818.03

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Solution

The fourth proportional to 54,878.34, 82,317.51 and 19,818.03 is: 29,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,878.34 : 82,317.51 = 19,818.03 : x
  2. Step 2: Convert to fraction form
    54,878.34/82,317.51 = 19,818.03/x
  3. Step 3: Cross multiply
    54,878.34x = 82,317.51 × 19,818.03
  4. Step 4: Simplify right side
    54,878.34x = 1,631,370,882.71
  5. Step 5: Solve for x
    x = 1,631,370,882.71/54,878.34
  6. Step 6: Final answer
    x = 29,727.05

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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.