Home / 54,106.61-81,156.87-14,660.82

Finding the Fourth Proportional to 54,106.61, 81,156.87 and 14,660.82

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Solution

The fourth proportional to 54,106.61, 81,156.87 and 14,660.82 is: 21,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,106.61 : 81,156.87 = 14,660.82 : x
  2. Step 2: Convert to fraction form
    54,106.61/81,156.87 = 14,660.82/x
  3. Step 3: Cross multiply
    54,106.61x = 81,156.87 × 14,660.82
  4. Step 4: Simplify right side
    54,106.61x = 1,189,826,262.83
  5. Step 5: Solve for x
    x = 1,189,826,262.83/54,106.61
  6. Step 6: Final answer
    x = 21,990.41

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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.