Home / 62,972.45-86,893.70-38,786.04

Finding the Fourth Proportional to 62,972.45, 86,893.70 and 38,786.04

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Solution

The fourth proportional to 62,972.45, 86,893.70 and 38,786.04 is: 53,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,972.45 : 86,893.70 = 38,786.04 : x
  2. Step 2: Convert to fraction form
    62,972.45/86,893.70 = 38,786.04/x
  3. Step 3: Cross multiply
    62,972.45x = 86,893.70 × 38,786.04
  4. Step 4: Simplify right side
    62,972.45x = 3,370,262,330.02
  5. Step 5: Solve for x
    x = 3,370,262,330.02/62,972.45
  6. Step 6: Final answer
    x = 53,519.64

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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.