Home / 54,053.36-81,116.95-18,993.02

Finding the Fourth Proportional to 54,053.36, 81,116.95 and 18,993.02

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Solution

The fourth proportional to 54,053.36, 81,116.95 and 18,993.02 is: 28,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,053.36 : 81,116.95 = 18,993.02 : x
  2. Step 2: Convert to fraction form
    54,053.36/81,116.95 = 18,993.02/x
  3. Step 3: Cross multiply
    54,053.36x = 81,116.95 × 18,993.02
  4. Step 4: Simplify right side
    54,053.36x = 1,540,655,853.69
  5. Step 5: Solve for x
    x = 1,540,655,853.69/54,053.36
  6. Step 6: Final answer
    x = 28,502.50

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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.