Home / 49,628.28-68,484.78-30,767.16

Finding the Fourth Proportional to 49,628.28, 68,484.78 and 30,767.16

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Solution

The fourth proportional to 49,628.28, 68,484.78 and 30,767.16 is: 42,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,628.28 : 68,484.78 = 30,767.16 : x
  2. Step 2: Convert to fraction form
    49,628.28/68,484.78 = 30,767.16/x
  3. Step 3: Cross multiply
    49,628.28x = 68,484.78 × 30,767.16
  4. Step 4: Simplify right side
    49,628.28x = 2,107,082,183.82
  5. Step 5: Solve for x
    x = 2,107,082,183.82/49,628.28
  6. Step 6: Final answer
    x = 42,457.29

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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.