Home / 45,201.39-62,380.04-28,215.69

Finding the Fourth Proportional to 45,201.39, 62,380.04 and 28,215.69

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Solution

The fourth proportional to 45,201.39, 62,380.04 and 28,215.69 is: 38,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.39 : 62,380.04 = 28,215.69 : x
  2. Step 2: Convert to fraction form
    45,201.39/62,380.04 = 28,215.69/x
  3. Step 3: Cross multiply
    45,201.39x = 62,380.04 × 28,215.69
  4. Step 4: Simplify right side
    45,201.39x = 1,760,095,729.75
  5. Step 5: Solve for x
    x = 1,760,095,729.75/45,201.39
  6. Step 6: Final answer
    x = 38,938.97

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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.