Home / 45,377.32-68,065.98-14,215

Finding the Fourth Proportional to 45,377.32, 68,065.98 and 14,215

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Solution

The fourth proportional to 45,377.32, 68,065.98 and 14,215 is: 21,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,377.32 : 68,065.98 = 14,215 : x
  2. Step 2: Convert to fraction form
    45,377.32/68,065.98 = 14,215/x
  3. Step 3: Cross multiply
    45,377.32x = 68,065.98 × 14,215
  4. Step 4: Simplify right side
    45,377.32x = 967,557,905.70
  5. Step 5: Solve for x
    x = 967,557,905.70/45,377.32
  6. Step 6: Final answer
    x = 21,322.50

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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.