Home / 51,909.56-77,814.60-33,136.64

Finding the Fourth Proportional to 51,909.56, 77,814.60 and 33,136.64

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Solution

The fourth proportional to 51,909.56, 77,814.60 and 33,136.64 is: 49,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,909.56 : 77,814.60 = 33,136.64 : x
  2. Step 2: Convert to fraction form
    51,909.56/77,814.60 = 33,136.64/x
  3. Step 3: Cross multiply
    51,909.56x = 77,814.60 × 33,136.64
  4. Step 4: Simplify right side
    51,909.56x = 2,578,514,386.94
  5. Step 5: Solve for x
    x = 2,578,514,386.94/51,909.56
  6. Step 6: Final answer
    x = 49,673.21

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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.