Home / 53,517.36-73,878.30-38,215.38

Finding the Fourth Proportional to 53,517.36, 73,878.30 and 38,215.38

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Solution

The fourth proportional to 53,517.36, 73,878.30 and 38,215.38 is: 52,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,517.36 : 73,878.30 = 38,215.38 : x
  2. Step 2: Convert to fraction form
    53,517.36/73,878.30 = 38,215.38/x
  3. Step 3: Cross multiply
    53,517.36x = 73,878.30 × 38,215.38
  4. Step 4: Simplify right side
    53,517.36x = 2,823,287,308.25
  5. Step 5: Solve for x
    x = 2,823,287,308.25/53,517.36
  6. Step 6: Final answer
    x = 52,754.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.