Home / 54,911.98-82,336.76-21,613.99

Finding the Fourth Proportional to 54,911.98, 82,336.76 and 21,613.99

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Solution

The fourth proportional to 54,911.98, 82,336.76 and 21,613.99 is: 32,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911.98 : 82,336.76 = 21,613.99 : x
  2. Step 2: Convert to fraction form
    54,911.98/82,336.76 = 21,613.99/x
  3. Step 3: Cross multiply
    54,911.98x = 82,336.76 × 21,613.99
  4. Step 4: Simplify right side
    54,911.98x = 1,779,625,593.36
  5. Step 5: Solve for x
    x = 1,779,625,593.36/54,911.98
  6. Step 6: Final answer
    x = 32,408.70

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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.