Home / 38,668.46-53,366.22-21,675.59

Finding the Fourth Proportional to 38,668.46, 53,366.22 and 21,675.59

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Solution

The fourth proportional to 38,668.46, 53,366.22 and 21,675.59 is: 29,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668.46 : 53,366.22 = 21,675.59 : x
  2. Step 2: Convert to fraction form
    38,668.46/53,366.22 = 21,675.59/x
  3. Step 3: Cross multiply
    38,668.46x = 53,366.22 × 21,675.59
  4. Step 4: Simplify right side
    38,668.46x = 1,156,744,304.57
  5. Step 5: Solve for x
    x = 1,156,744,304.57/38,668.46
  6. Step 6: Final answer
    x = 29,914.41

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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.