Home / 54,877.88-82,312.74-19,817.56

Finding the Fourth Proportional to 54,877.88, 82,312.74 and 19,817.56

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Solution

The fourth proportional to 54,877.88, 82,312.74 and 19,817.56 is: 29,724.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.88 : 82,312.74 = 19,817.56 : x
  2. Step 2: Convert to fraction form
    54,877.88/82,312.74 = 19,817.56/x
  3. Step 3: Cross multiply
    54,877.88x = 82,312.74 × 19,817.56
  4. Step 4: Simplify right side
    54,877.88x = 1,631,237,663.71
  5. Step 5: Solve for x
    x = 1,631,237,663.71/54,877.88
  6. Step 6: Final answer
    x = 29,724.87

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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.