Home / 38,166.19-52,669.39-21,169.86

Finding the Fourth Proportional to 38,166.19, 52,669.39 and 21,169.86

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Solution

The fourth proportional to 38,166.19, 52,669.39 and 21,169.86 is: 29,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.19 : 52,669.39 = 21,169.86 : x
  2. Step 2: Convert to fraction form
    38,166.19/52,669.39 = 21,169.86/x
  3. Step 3: Cross multiply
    38,166.19x = 52,669.39 × 21,169.86
  4. Step 4: Simplify right side
    38,166.19x = 1,115,003,401.84
  5. Step 5: Solve for x
    x = 1,115,003,401.84/38,166.19
  6. Step 6: Final answer
    x = 29,214.43

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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.