Home / 54,615.22-81,927.38-14,639.90

Finding the Fourth Proportional to 54,615.22, 81,927.38 and 14,639.90

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Solution

The fourth proportional to 54,615.22, 81,927.38 and 14,639.90 is: 21,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,615.22 : 81,927.38 = 14,639.90 : x
  2. Step 2: Convert to fraction form
    54,615.22/81,927.38 = 14,639.90/x
  3. Step 3: Cross multiply
    54,615.22x = 81,927.38 × 14,639.90
  4. Step 4: Simplify right side
    54,615.22x = 1,199,408,650.46
  5. Step 5: Solve for x
    x = 1,199,408,650.46/54,615.22
  6. Step 6: Final answer
    x = 21,961.07

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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.