Home / 34,431.38-51,380.88-30,703.89

Finding the Fourth Proportional to 34,431.38, 51,380.88 and 30,703.89

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Solution

The fourth proportional to 34,431.38, 51,380.88 and 30,703.89 is: 45,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,431.38 : 51,380.88 = 30,703.89 : x
  2. Step 2: Convert to fraction form
    34,431.38/51,380.88 = 30,703.89/x
  3. Step 3: Cross multiply
    34,431.38x = 51,380.88 × 30,703.89
  4. Step 4: Simplify right side
    34,431.38x = 1,577,592,887.62
  5. Step 5: Solve for x
    x = 1,577,592,887.62/34,431.38
  6. Step 6: Final answer
    x = 45,818.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.