Home / 34,817.20-52,225.68-8,521.60

Finding the Fourth Proportional to 34,817.20, 52,225.68 and 8,521.60

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Solution

The fourth proportional to 34,817.20, 52,225.68 and 8,521.60 is: 12,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,817.20 : 52,225.68 = 8,521.60 : x
  2. Step 2: Convert to fraction form
    34,817.20/52,225.68 = 8,521.60/x
  3. Step 3: Cross multiply
    34,817.20x = 52,225.68 × 8,521.60
  4. Step 4: Simplify right side
    34,817.20x = 445,046,354.69
  5. Step 5: Solve for x
    x = 445,046,354.69/34,817.20
  6. Step 6: Final answer
    x = 12,782.37

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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.