Home / 54,677.22-82,015.83-13,124.22

Finding the Fourth Proportional to 54,677.22, 82,015.83 and 13,124.22

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Solution

The fourth proportional to 54,677.22, 82,015.83 and 13,124.22 is: 19,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.22 : 82,015.83 = 13,124.22 : x
  2. Step 2: Convert to fraction form
    54,677.22/82,015.83 = 13,124.22/x
  3. Step 3: Cross multiply
    54,677.22x = 82,015.83 × 13,124.22
  4. Step 4: Simplify right side
    54,677.22x = 1,076,393,845.62
  5. Step 5: Solve for x
    x = 1,076,393,845.62/54,677.22
  6. Step 6: Final answer
    x = 19,686.33

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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.