Home / 38,573.38-53,229.81-21,806.74

Finding the Fourth Proportional to 38,573.38, 53,229.81 and 21,806.74

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Solution

The fourth proportional to 38,573.38, 53,229.81 and 21,806.74 is: 30,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,573.38 : 53,229.81 = 21,806.74 : x
  2. Step 2: Convert to fraction form
    38,573.38/53,229.81 = 21,806.74/x
  3. Step 3: Cross multiply
    38,573.38x = 53,229.81 × 21,806.74
  4. Step 4: Simplify right side
    38,573.38x = 1,160,768,626.92
  5. Step 5: Solve for x
    x = 1,160,768,626.92/38,573.38
  6. Step 6: Final answer
    x = 30,092.48

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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.