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Finding the Fourth Proportional to 34,649.31, 51,973.52 and 8,353.85

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Solution

The fourth proportional to 34,649.31, 51,973.52 and 8,353.85 is: 12,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,649.31 : 51,973.52 = 8,353.85 : x
  2. Step 2: Convert to fraction form
    34,649.31/51,973.52 = 8,353.85/x
  3. Step 3: Cross multiply
    34,649.31x = 51,973.52 × 8,353.85
  4. Step 4: Simplify right side
    34,649.31x = 434,178,688.42
  5. Step 5: Solve for x
    x = 434,178,688.42/34,649.31
  6. Step 6: Final answer
    x = 12,530.66

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1.5x scale

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.