Home / 38,372.39-52,953.09-21,376.61

Finding the Fourth Proportional to 38,372.39, 52,953.09 and 21,376.61

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Solution

The fourth proportional to 38,372.39, 52,953.09 and 21,376.61 is: 29,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.39 : 52,953.09 = 21,376.61 : x
  2. Step 2: Convert to fraction form
    38,372.39/52,953.09 = 21,376.61/x
  3. Step 3: Cross multiply
    38,372.39x = 52,953.09 × 21,376.61
  4. Step 4: Simplify right side
    38,372.39x = 1,131,957,288.46
  5. Step 5: Solve for x
    x = 1,131,957,288.46/38,372.39
  6. Step 6: Final answer
    x = 29,499.27

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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.