Home / 55,367.87-76,406.60-30,217.55

Finding the Fourth Proportional to 55,367.87, 76,406.60 and 30,217.55

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Solution

The fourth proportional to 55,367.87, 76,406.60 and 30,217.55 is: 41,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367.87 : 76,406.60 = 30,217.55 : x
  2. Step 2: Convert to fraction form
    55,367.87/76,406.60 = 30,217.55/x
  3. Step 3: Cross multiply
    55,367.87x = 76,406.60 × 30,217.55
  4. Step 4: Simplify right side
    55,367.87x = 2,308,820,104.74
  5. Step 5: Solve for x
    x = 2,308,820,104.74/55,367.87
  6. Step 6: Final answer
    x = 41,699.64

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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.