Home / 34,306.80-51,492.60-21,184.80

Finding the Fourth Proportional to 34,306.80, 51,492.60 and 21,184.80

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Solution

The fourth proportional to 34,306.80, 51,492.60 and 21,184.80 is: 31,797.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,306.80 : 51,492.60 = 21,184.80 : x
  2. Step 2: Convert to fraction form
    34,306.80/51,492.60 = 21,184.80/x
  3. Step 3: Cross multiply
    34,306.80x = 51,492.60 × 21,184.80
  4. Step 4: Simplify right side
    34,306.80x = 1,090,860,432.48
  5. Step 5: Solve for x
    x = 1,090,860,432.48/34,306.80
  6. Step 6: Final answer
    x = 31,797.21

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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.