Home / 51,118.50-70,537.38-28,451.82

Finding the Fourth Proportional to 51,118.50, 70,537.38 and 28,451.82

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Solution

The fourth proportional to 51,118.50, 70,537.38 and 28,451.82 is: 39,260.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118.50 : 70,537.38 = 28,451.82 : x
  2. Step 2: Convert to fraction form
    51,118.50/70,537.38 = 28,451.82/x
  3. Step 3: Cross multiply
    51,118.50x = 70,537.38 × 28,451.82
  4. Step 4: Simplify right side
    51,118.50x = 2,006,916,839.03
  5. Step 5: Solve for x
    x = 2,006,916,839.03/51,118.50
  6. Step 6: Final answer
    x = 39,260.09

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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.