Home / 38,133.45-52,619.13-21,136.82

Finding the Fourth Proportional to 38,133.45, 52,619.13 and 21,136.82

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Solution

The fourth proportional to 38,133.45, 52,619.13 and 21,136.82 is: 29,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.45 : 52,619.13 = 21,136.82 : x
  2. Step 2: Convert to fraction form
    38,133.45/52,619.13 = 21,136.82/x
  3. Step 3: Cross multiply
    38,133.45x = 52,619.13 × 21,136.82
  4. Step 4: Simplify right side
    38,133.45x = 1,112,200,816.27
  5. Step 5: Solve for x
    x = 1,112,200,816.27/38,133.45
  6. Step 6: Final answer
    x = 29,166.02

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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.