Home / 53,834.60-80,675.10-39,684.20

Finding the Fourth Proportional to 53,834.60, 80,675.10 and 39,684.20

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Solution

The fourth proportional to 53,834.60, 80,675.10 and 39,684.20 is: 59,469.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,834.60 : 80,675.10 = 39,684.20 : x
  2. Step 2: Convert to fraction form
    53,834.60/80,675.10 = 39,684.20/x
  3. Step 3: Cross multiply
    53,834.60x = 80,675.10 × 39,684.20
  4. Step 4: Simplify right side
    53,834.60x = 3,201,526,803.42
  5. Step 5: Solve for x
    x = 3,201,526,803.42/53,834.60
  6. Step 6: Final answer
    x = 59,469.69

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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.