Home / 49,136.12-67,809.66-27,918.98

Finding the Fourth Proportional to 49,136.12, 67,809.66 and 27,918.98

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Solution

The fourth proportional to 49,136.12, 67,809.66 and 27,918.98 is: 38,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,136.12 : 67,809.66 = 27,918.98 : x
  2. Step 2: Convert to fraction form
    49,136.12/67,809.66 = 27,918.98/x
  3. Step 3: Cross multiply
    49,136.12x = 67,809.66 × 27,918.98
  4. Step 4: Simplify right side
    49,136.12x = 1,893,176,541.35
  5. Step 5: Solve for x
    x = 1,893,176,541.35/49,136.12
  6. Step 6: Final answer
    x = 38,529.22

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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.