Home / 54,360.45-81,548.78-19,297.17

Finding the Fourth Proportional to 54,360.45, 81,548.78 and 19,297.17

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Solution

The fourth proportional to 54,360.45, 81,548.78 and 19,297.17 is: 28,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,360.45 : 81,548.78 = 19,297.17 : x
  2. Step 2: Convert to fraction form
    54,360.45/81,548.78 = 19,297.17/x
  3. Step 3: Cross multiply
    54,360.45x = 81,548.78 × 19,297.17
  4. Step 4: Simplify right side
    54,360.45x = 1,573,660,574.47
  5. Step 5: Solve for x
    x = 1,573,660,574.47/54,360.45
  6. Step 6: Final answer
    x = 28,948.63

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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.