Home / 38,372.76-52,953.61-21,376.98

Finding the Fourth Proportional to 38,372.76, 52,953.61 and 21,376.98

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Solution

The fourth proportional to 38,372.76, 52,953.61 and 21,376.98 is: 29,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.76 : 52,953.61 = 21,376.98 : x
  2. Step 2: Convert to fraction form
    38,372.76/52,953.61 = 21,376.98/x
  3. Step 3: Cross multiply
    38,372.76x = 52,953.61 × 21,376.98
  4. Step 4: Simplify right side
    38,372.76x = 1,131,988,076.07
  5. Step 5: Solve for x
    x = 1,131,988,076.07/38,372.76
  6. Step 6: Final answer
    x = 29,499.78

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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.