Home / 55,628.29-76,767.21-30,134.92

Finding the Fourth Proportional to 55,628.29, 76,767.21 and 30,134.92

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Solution

The fourth proportional to 55,628.29, 76,767.21 and 30,134.92 is: 41,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,628.29 : 76,767.21 = 30,134.92 : x
  2. Step 2: Convert to fraction form
    55,628.29/76,767.21 = 30,134.92/x
  3. Step 3: Cross multiply
    55,628.29x = 76,767.21 × 30,134.92
  4. Step 4: Simplify right side
    55,628.29x = 2,313,373,731.97
  5. Step 5: Solve for x
    x = 2,313,373,731.97/55,628.29
  6. Step 6: Final answer
    x = 41,586.28

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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.