Home / 51,173.52-70,621.57-28,512.46

Finding the Fourth Proportional to 51,173.52, 70,621.57 and 28,512.46

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Solution

The fourth proportional to 51,173.52, 70,621.57 and 28,512.46 is: 39,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,173.52 : 70,621.57 = 28,512.46 : x
  2. Step 2: Convert to fraction form
    51,173.52/70,621.57 = 28,512.46/x
  3. Step 3: Cross multiply
    51,173.52x = 70,621.57 × 28,512.46
  4. Step 4: Simplify right side
    51,173.52x = 2,013,594,416.43
  5. Step 5: Solve for x
    x = 2,013,594,416.43/51,173.52
  6. Step 6: Final answer
    x = 39,348.36

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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.