Home / 54,635.95-81,968.51-19,579.15

Finding the Fourth Proportional to 54,635.95, 81,968.51 and 19,579.15

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Solution

The fourth proportional to 54,635.95, 81,968.51 and 19,579.15 is: 29,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.95 : 81,968.51 = 19,579.15 : x
  2. Step 2: Convert to fraction form
    54,635.95/81,968.51 = 19,579.15/x
  3. Step 3: Cross multiply
    54,635.95x = 81,968.51 × 19,579.15
  4. Step 4: Simplify right side
    54,635.95x = 1,604,873,654.67
  5. Step 5: Solve for x
    x = 1,604,873,654.67/54,635.95
  6. Step 6: Final answer
    x = 29,373.95

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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.