Home / 49,780.84-68,695.68-28,562.08

Finding the Fourth Proportional to 49,780.84, 68,695.68 and 28,562.08

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Solution

The fourth proportional to 49,780.84, 68,695.68 and 28,562.08 is: 39,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,780.84 : 68,695.68 = 28,562.08 : x
  2. Step 2: Convert to fraction form
    49,780.84/68,695.68 = 28,562.08/x
  3. Step 3: Cross multiply
    49,780.84x = 68,695.68 × 28,562.08
  4. Step 4: Simplify right side
    49,780.84x = 1,962,091,507.81
  5. Step 5: Solve for x
    x = 1,962,091,507.81/49,780.84
  6. Step 6: Final answer
    x = 39,414.59

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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.