Home / 62,115.39-85,707.54-36,629.78

Finding the Fourth Proportional to 62,115.39, 85,707.54 and 36,629.78

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Solution

The fourth proportional to 62,115.39, 85,707.54 and 36,629.78 is: 50,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,115.39 : 85,707.54 = 36,629.78 : x
  2. Step 2: Convert to fraction form
    62,115.39/85,707.54 = 36,629.78/x
  3. Step 3: Cross multiply
    62,115.39x = 85,707.54 × 36,629.78
  4. Step 4: Simplify right side
    62,115.39x = 3,139,447,906.00
  5. Step 5: Solve for x
    x = 3,139,447,906.00/62,115.39
  6. Step 6: Final answer
    x = 50,542.19

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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.