Home / 45,837.03-68,755.61-12,557.39

Finding the Fourth Proportional to 45,837.03, 68,755.61 and 12,557.39

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Solution

The fourth proportional to 45,837.03, 68,755.61 and 12,557.39 is: 18,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,837.03 : 68,755.61 = 12,557.39 : x
  2. Step 2: Convert to fraction form
    45,837.03/68,755.61 = 12,557.39/x
  3. Step 3: Cross multiply
    45,837.03x = 68,755.61 × 12,557.39
  4. Step 4: Simplify right side
    45,837.03x = 863,390,602.89
  5. Step 5: Solve for x
    x = 863,390,602.89/45,837.03
  6. Step 6: Final answer
    x = 18,836.09

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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.