Home / 45,485.67-68,207.85-19,176.06

Finding the Fourth Proportional to 45,485.67, 68,207.85 and 19,176.06

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Solution

The fourth proportional to 45,485.67, 68,207.85 and 19,176.06 is: 28,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,485.67 : 68,207.85 = 19,176.06 : x
  2. Step 2: Convert to fraction form
    45,485.67/68,207.85 = 19,176.06/x
  3. Step 3: Cross multiply
    45,485.67x = 68,207.85 × 19,176.06
  4. Step 4: Simplify right side
    45,485.67x = 1,307,957,824.07
  5. Step 5: Solve for x
    x = 1,307,957,824.07/45,485.67
  6. Step 6: Final answer
    x = 28,755.38

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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.