Home / 66,403.08-99,550.32-30,886.54

Finding the Fourth Proportional to 66,403.08, 99,550.32 and 30,886.54

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Solution

The fourth proportional to 66,403.08, 99,550.32 and 30,886.54 is: 46,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,403.08 : 99,550.32 = 30,886.54 : x
  2. Step 2: Convert to fraction form
    66,403.08/99,550.32 = 30,886.54/x
  3. Step 3: Cross multiply
    66,403.08x = 99,550.32 × 30,886.54
  4. Step 4: Simplify right side
    66,403.08x = 3,074,764,940.69
  5. Step 5: Solve for x
    x = 3,074,764,940.69/66,403.08
  6. Step 6: Final answer
    x = 46,304.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.