Home / 66,286.37-91,477.11-36,073.64

Finding the Fourth Proportional to 66,286.37, 91,477.11 and 36,073.64

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Solution

The fourth proportional to 66,286.37, 91,477.11 and 36,073.64 is: 49,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,286.37 : 91,477.11 = 36,073.64 : x
  2. Step 2: Convert to fraction form
    66,286.37/91,477.11 = 36,073.64/x
  3. Step 3: Cross multiply
    66,286.37x = 91,477.11 × 36,073.64
  4. Step 4: Simplify right side
    66,286.37x = 3,299,911,980.88
  5. Step 5: Solve for x
    x = 3,299,911,980.88/66,286.37
  6. Step 6: Final answer
    x = 49,782.66

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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.