Home / 65,596.17-90,546.09-38,738.79

Finding the Fourth Proportional to 65,596.17, 90,546.09 and 38,738.79

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Solution

The fourth proportional to 65,596.17, 90,546.09 and 38,738.79 is: 53,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,596.17 : 90,546.09 = 38,738.79 : x
  2. Step 2: Convert to fraction form
    65,596.17/90,546.09 = 38,738.79/x
  3. Step 3: Cross multiply
    65,596.17x = 90,546.09 × 38,738.79
  4. Step 4: Simplify right side
    65,596.17x = 3,507,645,965.83
  5. Step 5: Solve for x
    x = 3,507,645,965.83/65,596.17
  6. Step 6: Final answer
    x = 53,473.33

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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.