Home / 51,469.40-71,029.04-28,808.21

Finding the Fourth Proportional to 51,469.40, 71,029.04 and 28,808.21

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Solution

The fourth proportional to 51,469.40, 71,029.04 and 28,808.21 is: 39,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,469.40 : 71,029.04 = 28,808.21 : x
  2. Step 2: Convert to fraction form
    51,469.40/71,029.04 = 28,808.21/x
  3. Step 3: Cross multiply
    51,469.40x = 71,029.04 × 28,808.21
  4. Step 4: Simplify right side
    51,469.40x = 2,046,219,500.42
  5. Step 5: Solve for x
    x = 2,046,219,500.42/51,469.40
  6. Step 6: Final answer
    x = 39,756.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.