Home / 45,914.13-68,859.84-12,632.58

Finding the Fourth Proportional to 45,914.13, 68,859.84 and 12,632.58

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Solution

The fourth proportional to 45,914.13, 68,859.84 and 12,632.58 is: 18,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,914.13 : 68,859.84 = 12,632.58 : x
  2. Step 2: Convert to fraction form
    45,914.13/68,859.84 = 12,632.58/x
  3. Step 3: Cross multiply
    45,914.13x = 68,859.84 × 12,632.58
  4. Step 4: Simplify right side
    45,914.13x = 869,877,437.59
  5. Step 5: Solve for x
    x = 869,877,437.59/45,914.13
  6. Step 6: Final answer
    x = 18,945.75

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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.