Home / 51,136.33-76,736.45-19,549.06

Finding the Fourth Proportional to 51,136.33, 76,736.45 and 19,549.06

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Solution

The fourth proportional to 51,136.33, 76,736.45 and 19,549.06 is: 29,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.33 : 76,736.45 = 19,549.06 : x
  2. Step 2: Convert to fraction form
    51,136.33/76,736.45 = 19,549.06/x
  3. Step 3: Cross multiply
    51,136.33x = 76,736.45 × 19,549.06
  4. Step 4: Simplify right side
    51,136.33x = 1,500,125,643.95
  5. Step 5: Solve for x
    x = 1,500,125,643.95/51,136.33
  6. Step 6: Final answer
    x = 29,335.81

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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.