Home / 51,180.35-70,626.57-28,521.82

Finding the Fourth Proportional to 51,180.35, 70,626.57 and 28,521.82

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Solution

The fourth proportional to 51,180.35, 70,626.57 and 28,521.82 is: 39,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,180.35 : 70,626.57 = 28,521.82 : x
  2. Step 2: Convert to fraction form
    51,180.35/70,626.57 = 28,521.82/x
  3. Step 3: Cross multiply
    51,180.35x = 70,626.57 × 28,521.82
  4. Step 4: Simplify right side
    51,180.35x = 2,014,398,316.76
  5. Step 5: Solve for x
    x = 2,014,398,316.76/51,180.35
  6. Step 6: Final answer
    x = 39,358.82

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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.