Home / 38,668.50-57,993.63-21,808.74

Finding the Fourth Proportional to 38,668.50, 57,993.63 and 21,808.74

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Solution

The fourth proportional to 38,668.50, 57,993.63 and 21,808.74 is: 32,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668.50 : 57,993.63 = 21,808.74 : x
  2. Step 2: Convert to fraction form
    38,668.50/57,993.63 = 21,808.74/x
  3. Step 3: Cross multiply
    38,668.50x = 57,993.63 × 21,808.74
  4. Step 4: Simplify right side
    38,668.50x = 1,264,767,998.33
  5. Step 5: Solve for x
    x = 1,264,767,998.33/38,668.50
  6. Step 6: Final answer
    x = 32,707.97

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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.