Home / 65,400.73-90,233.19-36,717.37

Finding the Fourth Proportional to 65,400.73, 90,233.19 and 36,717.37

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Solution

The fourth proportional to 65,400.73, 90,233.19 and 36,717.37 is: 50,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,400.73 : 90,233.19 = 36,717.37 : x
  2. Step 2: Convert to fraction form
    65,400.73/90,233.19 = 36,717.37/x
  3. Step 3: Cross multiply
    65,400.73x = 90,233.19 × 36,717.37
  4. Step 4: Simplify right side
    65,400.73x = 3,313,125,197.93
  5. Step 5: Solve for x
    x = 3,313,125,197.93/65,400.73
  6. Step 6: Final answer
    x = 50,658.84

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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.