Home / 45,837.46-68,756.25-12,557.82

Finding the Fourth Proportional to 45,837.46, 68,756.25 and 12,557.82

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Solution

The fourth proportional to 45,837.46, 68,756.25 and 12,557.82 is: 18,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,837.46 : 68,756.25 = 12,557.82 : x
  2. Step 2: Convert to fraction form
    45,837.46/68,756.25 = 12,557.82/x
  3. Step 3: Cross multiply
    45,837.46x = 68,756.25 × 12,557.82
  4. Step 4: Simplify right side
    45,837.46x = 863,428,611.38
  5. Step 5: Solve for x
    x = 863,428,611.38/45,837.46
  6. Step 6: Final answer
    x = 18,836.75

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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.