Home / 54,494.13-81,738.93-18,963.59

Finding the Fourth Proportional to 54,494.13, 81,738.93 and 18,963.59

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Solution

The fourth proportional to 54,494.13, 81,738.93 and 18,963.59 is: 28,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,494.13 : 81,738.93 = 18,963.59 : x
  2. Step 2: Convert to fraction form
    54,494.13/81,738.93 = 18,963.59/x
  3. Step 3: Cross multiply
    54,494.13x = 81,738.93 × 18,963.59
  4. Step 4: Simplify right side
    54,494.13x = 1,550,063,146.86
  5. Step 5: Solve for x
    x = 1,550,063,146.86/54,494.13
  6. Step 6: Final answer
    x = 28,444.59

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1.5x scale

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.