Home / 47,172.54-65,106.46-28,310.88

Finding the Fourth Proportional to 47,172.54, 65,106.46 and 28,310.88

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Solution

The fourth proportional to 47,172.54, 65,106.46 and 28,310.88 is: 39,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,172.54 : 65,106.46 = 28,310.88 : x
  2. Step 2: Convert to fraction form
    47,172.54/65,106.46 = 28,310.88/x
  3. Step 3: Cross multiply
    47,172.54x = 65,106.46 × 28,310.88
  4. Step 4: Simplify right side
    47,172.54x = 1,843,221,176.28
  5. Step 5: Solve for x
    x = 1,843,221,176.28/47,172.54
  6. Step 6: Final answer
    x = 39,074.03

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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.