Home / 38,903.81-53,689.97-22,136.81

Finding the Fourth Proportional to 38,903.81, 53,689.97 and 22,136.81

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Solution

The fourth proportional to 38,903.81, 53,689.97 and 22,136.81 is: 30,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,903.81 : 53,689.97 = 22,136.81 : x
  2. Step 2: Convert to fraction form
    38,903.81/53,689.97 = 22,136.81/x
  3. Step 3: Cross multiply
    38,903.81x = 53,689.97 × 22,136.81
  4. Step 4: Simplify right side
    38,903.81x = 1,188,524,451.69
  5. Step 5: Solve for x
    x = 1,188,524,451.69/38,903.81
  6. Step 6: Final answer
    x = 30,550.34

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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.