Home / 45,759.18-68,631.72-12,481.95

Finding the Fourth Proportional to 45,759.18, 68,631.72 and 12,481.95

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Solution

The fourth proportional to 45,759.18, 68,631.72 and 12,481.95 is: 18,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,759.18 : 68,631.72 = 12,481.95 : x
  2. Step 2: Convert to fraction form
    45,759.18/68,631.72 = 12,481.95/x
  3. Step 3: Cross multiply
    45,759.18x = 68,631.72 × 12,481.95
  4. Step 4: Simplify right side
    45,759.18x = 856,657,697.45
  5. Step 5: Solve for x
    x = 856,657,697.45/45,759.18
  6. Step 6: Final answer
    x = 18,721.00

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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.