Home / 55,107.29-76,048.11-29,956.79

Finding the Fourth Proportional to 55,107.29, 76,048.11 and 29,956.79

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Solution

The fourth proportional to 55,107.29, 76,048.11 and 29,956.79 is: 41,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,107.29 : 76,048.11 = 29,956.79 : x
  2. Step 2: Convert to fraction form
    55,107.29/76,048.11 = 29,956.79/x
  3. Step 3: Cross multiply
    55,107.29x = 76,048.11 × 29,956.79
  4. Step 4: Simplify right side
    55,107.29x = 2,278,157,451.29
  5. Step 5: Solve for x
    x = 2,278,157,451.29/55,107.29
  6. Step 6: Final answer
    x = 41,340.40

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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.