Home / 53,206.17-79,810.92-19,919.88

Finding the Fourth Proportional to 53,206.17, 79,810.92 and 19,919.88

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Solution

The fourth proportional to 53,206.17, 79,810.92 and 19,919.88 is: 29,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,206.17 : 79,810.92 = 19,919.88 : x
  2. Step 2: Convert to fraction form
    53,206.17/79,810.92 = 19,919.88/x
  3. Step 3: Cross multiply
    53,206.17x = 79,810.92 × 19,919.88
  4. Step 4: Simplify right side
    53,206.17x = 1,589,823,949.09
  5. Step 5: Solve for x
    x = 1,589,823,949.09/53,206.17
  6. Step 6: Final answer
    x = 29,880.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.