Home / 38,406.76-52,996.07-21,408.96

Finding the Fourth Proportional to 38,406.76, 52,996.07 and 21,408.96

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Solution

The fourth proportional to 38,406.76, 52,996.07 and 21,408.96 is: 29,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,406.76 : 52,996.07 = 21,408.96 : x
  2. Step 2: Convert to fraction form
    38,406.76/52,996.07 = 21,408.96/x
  3. Step 3: Cross multiply
    38,406.76x = 52,996.07 × 21,408.96
  4. Step 4: Simplify right side
    38,406.76x = 1,134,590,696.94
  5. Step 5: Solve for x
    x = 1,134,590,696.94/38,406.76
  6. Step 6: Final answer
    x = 29,541.43

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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.