Home / 49,315.80-73,972.08-19,725.69

Finding the Fourth Proportional to 49,315.80, 73,972.08 and 19,725.69

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Solution

The fourth proportional to 49,315.80, 73,972.08 and 19,725.69 is: 29,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,315.80 : 73,972.08 = 19,725.69 : x
  2. Step 2: Convert to fraction form
    49,315.80/73,972.08 = 19,725.69/x
  3. Step 3: Cross multiply
    49,315.80x = 73,972.08 × 19,725.69
  4. Step 4: Simplify right side
    49,315.80x = 1,459,150,318.74
  5. Step 5: Solve for x
    x = 1,459,150,318.74/49,315.80
  6. Step 6: Final answer
    x = 29,587.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.