Home / 34,535.76-51,805.20-12,359.60

Finding the Fourth Proportional to 34,535.76, 51,805.20 and 12,359.60

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Solution

The fourth proportional to 34,535.76, 51,805.20 and 12,359.60 is: 18,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,535.76 : 51,805.20 = 12,359.60 : x
  2. Step 2: Convert to fraction form
    34,535.76/51,805.20 = 12,359.60/x
  3. Step 3: Cross multiply
    34,535.76x = 51,805.20 × 12,359.60
  4. Step 4: Simplify right side
    34,535.76x = 640,291,549.92
  5. Step 5: Solve for x
    x = 640,291,549.92/34,535.76
  6. Step 6: Final answer
    x = 18,539.96

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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.