Home / 51,173.51-70,618.38-28,512.41

Finding the Fourth Proportional to 51,173.51, 70,618.38 and 28,512.41

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Solution

The fourth proportional to 51,173.51, 70,618.38 and 28,512.41 is: 39,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,173.51 : 70,618.38 = 28,512.41 : x
  2. Step 2: Convert to fraction form
    51,173.51/70,618.38 = 28,512.41/x
  3. Step 3: Cross multiply
    51,173.51x = 70,618.38 × 28,512.41
  4. Step 4: Simplify right side
    51,173.51x = 2,013,500,204.10
  5. Step 5: Solve for x
    x = 2,013,500,204.10/51,173.51
  6. Step 6: Final answer
    x = 39,346.53

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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.