Home / 34,278.34-51,269.89-30,505.76

Finding the Fourth Proportional to 34,278.34, 51,269.89 and 30,505.76

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Solution

The fourth proportional to 34,278.34, 51,269.89 and 30,505.76 is: 45,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.34 : 51,269.89 = 30,505.76 : x
  2. Step 2: Convert to fraction form
    34,278.34/51,269.89 = 30,505.76/x
  3. Step 3: Cross multiply
    34,278.34x = 51,269.89 × 30,505.76
  4. Step 4: Simplify right side
    34,278.34x = 1,564,027,079.01
  5. Step 5: Solve for x
    x = 1,564,027,079.01/34,278.34
  6. Step 6: Final answer
    x = 45,627.27

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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.