Home / 54,432.49-81,648.74-16,995.77

Finding the Fourth Proportional to 54,432.49, 81,648.74 and 16,995.77

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Solution

The fourth proportional to 54,432.49, 81,648.74 and 16,995.77 is: 25,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432.49 : 81,648.74 = 16,995.77 : x
  2. Step 2: Convert to fraction form
    54,432.49/81,648.74 = 16,995.77/x
  3. Step 3: Cross multiply
    54,432.49x = 81,648.74 × 16,995.77
  4. Step 4: Simplify right side
    54,432.49x = 1,387,682,776.34
  5. Step 5: Solve for x
    x = 1,387,682,776.34/54,432.49
  6. Step 6: Final answer
    x = 25,493.65

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Double scale
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Similar ratio
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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.