Home / 62,829.84-86,725.38-40,229.70

Finding the Fourth Proportional to 62,829.84, 86,725.38 and 40,229.70

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Solution

The fourth proportional to 62,829.84, 86,725.38 and 40,229.70 is: 55,529.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,829.84 : 86,725.38 = 40,229.70 : x
  2. Step 2: Convert to fraction form
    62,829.84/86,725.38 = 40,229.70/x
  3. Step 3: Cross multiply
    62,829.84x = 86,725.38 × 40,229.70
  4. Step 4: Simplify right side
    62,829.84x = 3,488,936,019.79
  5. Step 5: Solve for x
    x = 3,488,936,019.79/62,829.84
  6. Step 6: Final answer
    x = 55,529.92

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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.