Home / 66,345.62-91,558.58-36,132.58

Finding the Fourth Proportional to 66,345.62, 91,558.58 and 36,132.58

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Solution

The fourth proportional to 66,345.62, 91,558.58 and 36,132.58 is: 49,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,345.62 : 91,558.58 = 36,132.58 : x
  2. Step 2: Convert to fraction form
    66,345.62/91,558.58 = 36,132.58/x
  3. Step 3: Cross multiply
    66,345.62x = 91,558.58 × 36,132.58
  4. Step 4: Simplify right side
    66,345.62x = 3,308,247,338.55
  5. Step 5: Solve for x
    x = 3,308,247,338.55/66,345.62
  6. Step 6: Final answer
    x = 49,863.84

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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.