Home / 65,628.37-90,561.42-36,554.55

Finding the Fourth Proportional to 65,628.37, 90,561.42 and 36,554.55

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Solution

The fourth proportional to 65,628.37, 90,561.42 and 36,554.55 is: 50,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,628.37 : 90,561.42 = 36,554.55 : x
  2. Step 2: Convert to fraction form
    65,628.37/90,561.42 = 36,554.55/x
  3. Step 3: Cross multiply
    65,628.37x = 90,561.42 × 36,554.55
  4. Step 4: Simplify right side
    65,628.37x = 3,310,431,772.69
  5. Step 5: Solve for x
    x = 3,310,431,772.69/65,628.37
  6. Step 6: Final answer
    x = 50,442.08

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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.