Home / 34,749.18-52,123.80-8,453.92

Finding the Fourth Proportional to 34,749.18, 52,123.80 and 8,453.92

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Solution

The fourth proportional to 34,749.18, 52,123.80 and 8,453.92 is: 12,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,749.18 : 52,123.80 = 8,453.92 : x
  2. Step 2: Convert to fraction form
    34,749.18/52,123.80 = 8,453.92/x
  3. Step 3: Cross multiply
    34,749.18x = 52,123.80 × 8,453.92
  4. Step 4: Simplify right side
    34,749.18x = 440,650,434.42
  5. Step 5: Solve for x
    x = 440,650,434.42/34,749.18
  6. Step 6: Final answer
    x = 12,680.89

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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.