Home / 38,104.15-52,579.70-21,107.92

Finding the Fourth Proportional to 38,104.15, 52,579.70 and 21,107.92

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Solution

The fourth proportional to 38,104.15, 52,579.70 and 21,107.92 is: 29,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.15 : 52,579.70 = 21,107.92 : x
  2. Step 2: Convert to fraction form
    38,104.15/52,579.70 = 21,107.92/x
  3. Step 3: Cross multiply
    38,104.15x = 52,579.70 × 21,107.92
  4. Step 4: Simplify right side
    38,104.15x = 1,109,847,995.68
  5. Step 5: Solve for x
    x = 1,109,847,995.68/38,104.15
  6. Step 6: Final answer
    x = 29,126.70

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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.